{"title":"Fasteners","description":"\u003cp\u003ePerformance fasteners are the foundation of any serious engine build — the hardware that holds everything together under extreme heat, pressure, and load. Prime Speedworks stocks a focused range of precision fasteners from P1 Fasteners, one of the most trusted names in motorsport hardware, including head studs, main studs, rod bolts, and assembly lube for a wide range of performance engines.\u003c\/p\u003e\u003cp\u003eOur fasteners range covers popular platforms including LS, LSX, Honda B-Series and K-Series, Chrysler Hemi, Toyota 2JZ, Nissan RB26, and more. All parts are precision-engineered to exacting tolerances and stocked in Australia for fast dispatch. When the build has to hold, trust P1.\u003c\/p\u003e","products":[{"product_id":"toyota-2jz-head-stud-kit-oem-blocks-dart-w-11mm-threads-12pt-nuts-e190-series-black-oxide-finish","title":"P1 | TOYOTA 2JZ HEAD STUD KIT, OEM BLOCKS,DART W\/11MM THREADS 12PT NUTS, E190 SERIES, BLACK OXIDE FINISH","description":"\u003cp data-start=\"230\" data-end=\"571\"\u003eThe \u003cstrong data-start=\"234\" data-end=\"265\"\u003eP1 Toyota 2JZ Head Stud Kit\u003c\/strong\u003e is engineered to deliver uncompromising clamping force and long-term reliability for high-performance 2JZ builds. Designed to suit \u003cstrong data-start=\"397\" data-end=\"418\"\u003eOEM Toyota blocks\u003c\/strong\u003e as well as \u003cstrong data-start=\"430\" data-end=\"449\"\u003eDart 2JZ blocks\u003c\/strong\u003e, this kit utilises \u003cstrong data-start=\"469\" data-end=\"493\"\u003e11mm thread geometry\u003c\/strong\u003e for superior thread engagement and strength under extreme cylinder pressures.\u003c\/p\u003e\n\u003cp data-start=\"573\" data-end=\"918\"\u003eManufactured from P1’s premium \u003cstrong data-start=\"604\" data-end=\"625\"\u003eE190 Series alloy\u003c\/strong\u003e, these studs provide exceptional tensile strength and fatigue resistance, making them ideal for high-boost, high-RPM and competition-level engines. Each component features a durable \u003cstrong data-start=\"808\" data-end=\"830\"\u003eblack oxide finish, \u003c\/strong\u003eproviding enhanced corrosion resistance and a clean, professional presentation during assembly.\u003c\/p\u003e\n\u003cp data-start=\"920\" data-end=\"1177\"\u003eIncluded are precision-machined \u003cstrong data-start=\"952\" data-end=\"969\"\u003e12-point nuts\u003c\/strong\u003e and washers to ensure consistent torque, even load distribution, and repeatable head sealing—critical for engines using upgraded turbo systems, aftermarket gasket solutions, or elevated combustion pressures.\u003c\/p\u003e\n\u003cp data-start=\"1179\" data-end=\"1198\"\u003e\u003cstrong data-start=\"1179\" data-end=\"1196\"\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1199\" data-end=\"1626\"\u003e\n\u003cli data-start=\"1199\" data-end=\"1251\"\u003e\n\u003cp data-start=\"1201\" data-end=\"1251\"\u003eSuits \u003cstrong data-start=\"1207\" data-end=\"1225\"\u003eToyota 2JZ OEM\u003c\/strong\u003e and \u003cstrong data-start=\"1230\" data-end=\"1242\"\u003eDart 2JZ\u003c\/strong\u003e blocks\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1252\" data-end=\"1292\"\u003e\n\u003cp data-start=\"1254\" data-end=\"1292\"\u003eStrong \u003cstrong data-start=\"1261\" data-end=\"1276\"\u003e11mm thread\u003c\/strong\u003e configuration\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1293\" data-end=\"1355\"\u003e\n\u003cp data-start=\"1295\" data-end=\"1355\"\u003ePremium \u003cstrong data-start=\"1303\" data-end=\"1318\"\u003eE190 Series\u003c\/strong\u003e stud material for extreme strength\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1356\" data-end=\"1415\"\u003e\n\u003cp data-start=\"1358\" data-end=\"1415\"\u003e\u003cstrong data-start=\"1358\" data-end=\"1375\"\u003e12-point nuts\u003c\/strong\u003e for accurate torque and even clamping\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1416\" data-end=\"1485\"\u003e\n\u003cp data-start=\"1418\" data-end=\"1485\"\u003e\u003cstrong data-start=\"1418\" data-end=\"1440\"\u003eBlack oxide finish\u003c\/strong\u003e for corrosion resistance and clean install\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1486\" data-end=\"1555\"\u003e\n\u003cp data-start=\"1488\" data-end=\"1555\"\u003eDesigned for high-boost, high-horsepower performance applications\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1556\" data-end=\"1626\"\u003e\n\u003cp data-start=\"1558\" data-end=\"1626\"\u003eIdeal for street, drag, roll-racing, and dedicated motorsport builds\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1628\" data-end=\"1735\"\u003eUpgrade your 2JZ with confidence—\u003cstrong data-start=\"1661\" data-end=\"1735\"\u003eP1 head studs deliver the strength and consistency your build demands.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eARP VARIENT: 203-4205\u003c\/p\u003e","brand":"P1","offers":[{"title":"Default Title","offer_id":42732765478979,"sku":"K020-H01E","price":398.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/5836\/9859\/files\/5f3c37b5-dca3-4cef-93f5-4eb9c50632d8.jpg?v=1763729381"},{"product_id":"p1-chevrolet-ls-camshaft-bolt-kit-for-3-bolt-cams-8mm-x-1-25-threads-25mm-uhl-e190-series-black-oxide-finish","title":"P1 | CHEVROLET LS CAMSHAFT BOLT KIT FOR 3 BOLT CAMS, 8mm X 1.25 THREADS, 25MM UHL, E190 SERIES, BLACK OXIDE FINISH","description":"\u003cp data-start=\"77\" data-end=\"225\"\u003e\u003cstrong data-start=\"77\" data-end=\"134\"\u003eP1 – Chevrolet LS Camshaft Bolt Kit (For 3-Bolt Cams)\u003c\/strong\u003e\u003cbr data-start=\"134\" data-end=\"137\"\u003e\u003cstrong data-start=\"137\" data-end=\"205\"\u003e8mm x 1.25 Threads | 25mm UHL | E190 Series | Black Oxide Finish\u003c\/strong\u003e\u003cbr data-start=\"205\" data-end=\"208\"\u003e\u003cstrong data-start=\"208\" data-end=\"225\"\u003ePN# K003-C01E\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"227\" data-end=\"618\"\u003eThe \u003cstrong data-start=\"231\" data-end=\"268\"\u003eP1 Chevrolet LS Camshaft Bolt Kit\u003c\/strong\u003e is purpose-built for secure, repeatable fastening on \u003cstrong data-start=\"322\" data-end=\"345\"\u003e3-bolt LS camshafts\u003c\/strong\u003e, ensuring reliable camshaft retention in high-performance and high-RPM LS engine builds. Precision-machined with \u003cstrong data-start=\"459\" data-end=\"481\"\u003e8mm x 1.25 threads\u003c\/strong\u003e and a \u003cstrong data-start=\"488\" data-end=\"520\"\u003e25mm under-head length (UHL)\u003c\/strong\u003e, these bolts provide optimal engagement and consistent clamping across the cam gear and cam core.\u003c\/p\u003e\n\u003cp data-start=\"620\" data-end=\"975\"\u003eConstructed from P1’s ultra-strong \u003cstrong data-start=\"655\" data-end=\"676\"\u003eE190 Series alloy\u003c\/strong\u003e, this kit delivers outstanding tensile strength and fatigue resistance—ideal for engines running aggressive cam profiles, stiffer valve springs, or sustained high-load operation. The \u003cstrong data-start=\"860\" data-end=\"882\"\u003eblack oxide finish\u003c\/strong\u003e further enhances corrosion resistance while giving each fastener a clean, professional look.\u003c\/p\u003e\n\u003cp data-start=\"977\" data-end=\"1184\"\u003eDesigned as a direct replacement and performance upgrade over factory hardware, these bolts provide the secure fastening required for serious street builds, boosted setups, and dedicated competition engines.\u003c\/p\u003e\n\u003cp data-start=\"1186\" data-end=\"1205\"\u003e\u003cstrong data-start=\"1186\" data-end=\"1203\"\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1206\" data-end=\"1651\"\u003e\n\u003cli data-start=\"1206\" data-end=\"1274\"\u003e\n\u003cp data-start=\"1208\" data-end=\"1274\"\u003eDesigned for \u003cstrong data-start=\"1221\" data-end=\"1245\"\u003eChevrolet LS engines\u003c\/strong\u003e using \u003cstrong data-start=\"1252\" data-end=\"1272\"\u003e3-bolt camshafts\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1275\" data-end=\"1334\"\u003e\n\u003cp data-start=\"1277\" data-end=\"1334\"\u003e\u003cstrong data-start=\"1277\" data-end=\"1298\"\u003e8mm x 1.25 thread\u003c\/strong\u003e specification for perfect fitment\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1335\" data-end=\"1394\"\u003e\n\u003cp data-start=\"1337\" data-end=\"1394\"\u003e\u003cstrong data-start=\"1337\" data-end=\"1349\"\u003e25mm UHL\u003c\/strong\u003e for proper seating and consistent clamping\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1395\" data-end=\"1446\"\u003e\n\u003cp data-start=\"1397\" data-end=\"1446\"\u003eManufactured from premium \u003cstrong data-start=\"1423\" data-end=\"1438\"\u003eE190 Series\u003c\/strong\u003e alloy\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1447\" data-end=\"1513\"\u003e\n\u003cp data-start=\"1449\" data-end=\"1513\"\u003e\u003cstrong data-start=\"1449\" data-end=\"1471\"\u003eBlack oxide finish\u003c\/strong\u003e for durability and corrosion protection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1514\" data-end=\"1563\"\u003e\n\u003cp data-start=\"1516\" data-end=\"1563\"\u003eIdeal for high-RPM and high-load applications\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1564\" data-end=\"1651\"\u003e\n\u003cp data-start=\"1566\" data-end=\"1651\"\u003eSuitable for aftermarket cams, performance valvetrain packages, and motorsport builds\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1653\" data-end=\"1757\"\u003eLock in your camshaft with confidence—\u003cstrong data-start=\"1691\" data-end=\"1757\"\u003eP1 delivers the strength and precision your LS engine demands.\u003c\/strong\u003e\u003c\/p\u003e","brand":"P1","offers":[{"title":"Default Title","offer_id":42732781174851,"sku":"K003-C01E","price":23.8,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/5836\/9859\/files\/a0f407d3-900d-4545-aa37-1c9fd2831e0f.jpg?v=1763731397"},{"product_id":"chevrolet-ls-exhaust-stud-kit-gen-3-4-engines-1-750oal-qty-12-s220-series-black-oxide-finish","title":"P1 | CHEVROLET LS EXHAUST STUD KIT, GEN 3 \u0026 4 ENGINES, 1.750\"OAL, QTY 12, S220 SERIES, BLACK OXIDE FINISH","description":"\u003cp data-start=\"150\" data-end=\"293\"\u003e\u003cstrong data-start=\"150\" data-end=\"188\"\u003eP1 – Chevrolet LS Exhaust Stud Kit\u003c\/strong\u003e\u003cbr data-start=\"188\" data-end=\"191\"\u003e\u003cstrong data-start=\"191\" data-end=\"273\"\u003eGen 3 \u0026amp; Gen 4 Engines | 1.750\" OAL | Qty 12 | S220 Series | Black Oxide Finish\u003c\/strong\u003e\u003cbr data-start=\"273\" data-end=\"276\"\u003e\u003cstrong data-start=\"276\" data-end=\"293\"\u003ePN# K003-E01S\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"295\" data-end=\"676\"\u003eThe \u003cstrong data-start=\"299\" data-end=\"335\"\u003eP1 Chevrolet LS Exhaust Stud Kit\u003c\/strong\u003e is engineered for high-performance LS applications running heavy headers, turbocharger systems, or full aftermarket exhaust setups. Designed specifically for \u003cstrong data-start=\"494\" data-end=\"524\"\u003eGen 3 and Gen 4 LS engines\u003c\/strong\u003e, these studs feature a \u003cstrong data-start=\"548\" data-end=\"583\"\u003e1.750-inch overall length (OAL)\u003c\/strong\u003e to ensure perfect thread engagement, superior clamping force, and reliable manifold sealing.\u003c\/p\u003e\n\u003cp data-start=\"678\" data-end=\"1074\"\u003eBuilt from P1’s premium \u003cstrong data-start=\"702\" data-end=\"723\"\u003eS220 Series alloy\u003c\/strong\u003e, each stud delivers an outstanding \u003cstrong data-start=\"759\" data-end=\"800\"\u003e220,000 psi ultimate tensile strength\u003c\/strong\u003e, making this kit exceptionally reliable under extreme heat, vibration, and pressure. Our S220 material—sourced exclusively from \u003cstrong data-start=\"929\" data-end=\"948\"\u003eUSA steel mills\u003c\/strong\u003e—provides inherent thermal resistance, allowing it to maintain integrity and performance in the harshest exhaust environments.\u003c\/p\u003e\n\u003cp data-start=\"1076\" data-end=\"1508\"\u003eThis material advantage also enables a \u003cstrong data-start=\"1115\" data-end=\"1167\"\u003ehigher clamp load compared to competing hardware\u003c\/strong\u003e, helping the studs maintain a tighter, more secure seal between the header flange and cylinder head. The result is reduced risk of exhaust leaks, better long-term gasket integrity, and improved overall performance. A durable \u003cstrong data-start=\"1393\" data-end=\"1415\"\u003eblack oxide finish\u003c\/strong\u003e protects each component against corrosion while delivering a clean, professional appearance.\u003c\/p\u003e\n\u003cp data-start=\"1510\" data-end=\"1684\"\u003eEach kit includes \u003cstrong data-start=\"1528\" data-end=\"1548\"\u003e12 premium studs\u003c\/strong\u003e, along with nuts and washers, providing a complete upgrade solution for naturally aspirated, boosted, and competition-level LS engines.\u003c\/p\u003e\n\u003cp data-start=\"1686\" data-end=\"1705\"\u003e\u003cstrong data-start=\"1686\" data-end=\"1703\"\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1706\" data-end=\"2301\"\u003e\n\u003cli data-start=\"1706\" data-end=\"1754\"\u003e\n\u003cp data-start=\"1708\" data-end=\"1754\"\u003eDesigned for \u003cstrong data-start=\"1721\" data-end=\"1744\"\u003eGM LS Gen 3 \u0026amp; Gen 4\u003c\/strong\u003e engines\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1755\" data-end=\"1822\"\u003e\n\u003cp data-start=\"1757\" data-end=\"1822\"\u003e\u003cstrong data-start=\"1757\" data-end=\"1771\"\u003e1.750\" OAL\u003c\/strong\u003e for ideal thread engagement and manifold fitment\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1823\" data-end=\"1913\"\u003e\n\u003cp data-start=\"1825\" data-end=\"1913\"\u003eManufactured from \u003cstrong data-start=\"1843\" data-end=\"1864\"\u003eS220 Series alloy\u003c\/strong\u003e with \u003cstrong data-start=\"1870\" data-end=\"1885\"\u003e220,000 psi\u003c\/strong\u003e ultimate tensile strength\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1914\" data-end=\"1979\"\u003e\n\u003cp data-start=\"1916\" data-end=\"1979\"\u003eUSA-sourced steel for maximum consistency and heat resistance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1980\" data-end=\"2050\"\u003e\n\u003cp data-start=\"1982\" data-end=\"2050\"\u003eHigh clamp load for superior sealing of header flanges and gaskets\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2051\" data-end=\"2118\"\u003e\n\u003cp data-start=\"2053\" data-end=\"2118\"\u003eExcellent performance in high-heat, high-vibration environments\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2119\" data-end=\"2167\"\u003e\n\u003cp data-start=\"2121\" data-end=\"2167\"\u003eIncludes \u003cstrong data-start=\"2130\" data-end=\"2142\"\u003e12 studs\u003c\/strong\u003e with matching hardware\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2168\" data-end=\"2227\"\u003e\n\u003cp data-start=\"2170\" data-end=\"2227\"\u003e\u003cstrong data-start=\"2170\" data-end=\"2192\"\u003eBlack oxide finish\u003c\/strong\u003e for lasting corrosion protection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2228\" data-end=\"2301\"\u003e\n\u003cp data-start=\"2230\" data-end=\"2301\"\u003ePerfect for heavy headers, turbo systems, and full performance exhausts\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2303\" data-end=\"2450\"\u003eEquip your LS build with confidence—\u003cstrong data-start=\"2339\" data-end=\"2450\"\u003eP1’s S220 exhaust stud kit delivers unmatched strength, heat resistance, and long-term sealing performance.\u003c\/strong\u003e\u003c\/p\u003e","brand":"P1","offers":[{"title":"Default Title","offer_id":42732785467459,"sku":"K003-E01S","price":194.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/5836\/9859\/files\/b37e83fd-4f4c-4cd3-a91b-589da002d0a4.jpg?v=1763732179"},{"product_id":"p1-chevrolet-ls-head-stud-kit-gen-3-4-2004-and-later-all-studs-same-length-12pt-nuts-s220-series-black-oxide-finish","title":"P1 | CHEVROLET LS HEAD STUD KIT, GEN 3 \u0026 4, 2004 AND LATER, ALL STUDS SAME LENGTH, 12PT NUTS, S220 SERIES, BLACK OXIDE FINISH","description":"\u003cp data-start=\"108\" data-end=\"270\"\u003e\u003cstrong data-start=\"108\" data-end=\"143\"\u003eP1 – Chevrolet LS Head Stud Kit\u003c\/strong\u003e\u003cbr data-start=\"143\" data-end=\"146\"\u003e\u003cstrong data-start=\"146\" data-end=\"250\"\u003eGen 3 \u0026amp; Gen 4 (2004 \u0026amp; Later) | Equal-Length Studs | 12-Point Nuts | S220 Series | Black Oxide Finish\u003c\/strong\u003e\u003cbr data-start=\"250\" data-end=\"253\"\u003e\u003cstrong data-start=\"253\" data-end=\"270\"\u003ePN# K003-H02S\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"272\" data-end=\"677\"\u003eThe \u003cstrong data-start=\"276\" data-end=\"309\"\u003eP1 Chevrolet LS Head Stud Kit\u003c\/strong\u003e is engineered for maximum clamping strength, consistency, and reliability in high-performance \u003cstrong data-start=\"404\" data-end=\"451\"\u003eGen 3 and Gen 4 LS engines (2004 and later)\u003c\/strong\u003e. Featuring \u003cstrong data-start=\"463\" data-end=\"485\"\u003eequal-length studs\u003c\/strong\u003e for streamlined installation and precise torque loading, this kit is designed to maintain head gasket integrity under extreme cylinder pressures, high boost, and sustained high-RPM operation.\u003c\/p\u003e\n\u003cp data-start=\"679\" data-end=\"1182\"\u003eEach stud is manufactured from P1’s advanced \u003cstrong data-start=\"724\" data-end=\"745\"\u003eS220 Series alloy\u003c\/strong\u003e, delivering an exceptional \u003cstrong data-start=\"773\" data-end=\"814\"\u003e220,000 psi ultimate tensile strength\u003c\/strong\u003e. This USA-sourced steel is specifically chosen for its superior heat resistance and stability—critical for LS engines exposed to aggressive tuning, forced induction, or heavy competition use. The inherent thermal robustness of S220 steel allows these studs to maintain \u003cstrong data-start=\"1084\" data-end=\"1129\"\u003ehigher clamp load than competing hardware\u003c\/strong\u003e, ensuring a tighter, more secure head-to-block seal.\u003c\/p\u003e\n\u003cp data-start=\"1184\" data-end=\"1461\"\u003eThis material advantage helps prevent head lift, sealing failures, and gasket fatigue, even under extreme combustion pressure or turbocharger stress. A protective \u003cstrong data-start=\"1347\" data-end=\"1369\"\u003eblack oxide finish\u003c\/strong\u003e enhances corrosion resistance while giving each component a clean, professional appearance.\u003c\/p\u003e\n\u003cp data-start=\"1463\" data-end=\"1623\"\u003eThe kit includes \u003cstrong data-start=\"1480\" data-end=\"1516\"\u003eprecision-machined 12-point nuts\u003c\/strong\u003e and washers for consistent torque application, even load distribution, and improved long-term reliability.\u003c\/p\u003e\n\u003cp data-start=\"1625\" data-end=\"1644\"\u003e\u003cstrong data-start=\"1625\" data-end=\"1642\"\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1645\" data-end=\"2272\"\u003e\n\u003cli data-start=\"1645\" data-end=\"1701\"\u003e\n\u003cp data-start=\"1647\" data-end=\"1701\"\u003eDesigned for \u003cstrong data-start=\"1660\" data-end=\"1699\"\u003eGM LS Gen 3 \u0026amp; Gen 4 engines (2004+)\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1702\" data-end=\"1799\"\u003e\n\u003cp data-start=\"1704\" data-end=\"1799\"\u003e\u003cstrong data-start=\"1704\" data-end=\"1734\"\u003eAll studs are equal length\u003c\/strong\u003e for simplified installation and consistent torque distribution\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1800\" data-end=\"1890\"\u003e\n\u003cp data-start=\"1802\" data-end=\"1890\"\u003eManufactured from \u003cstrong data-start=\"1820\" data-end=\"1841\"\u003eS220 Series alloy\u003c\/strong\u003e with \u003cstrong data-start=\"1847\" data-end=\"1888\"\u003e220,000 psi ultimate tensile strength\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1891\" data-end=\"1954\"\u003e\n\u003cp data-start=\"1893\" data-end=\"1954\"\u003eUSA-milled steel for superior heat stability and durability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1955\" data-end=\"2014\"\u003e\n\u003cp data-start=\"1957\" data-end=\"2014\"\u003eHigher clamp load than comparable aftermarket fasteners\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2015\" data-end=\"2081\"\u003e\n\u003cp data-start=\"2017\" data-end=\"2081\"\u003eIdeal for boosted, high-compression, and high-RPM applications\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2082\" data-end=\"2141\"\u003e\n\u003cp data-start=\"2084\" data-end=\"2141\"\u003e\u003cstrong data-start=\"2084\" data-end=\"2101\"\u003e12-point nuts\u003c\/strong\u003e for accurate torque and even clamping\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2142\" data-end=\"2202\"\u003e\n\u003cp data-start=\"2144\" data-end=\"2202\"\u003e\u003cstrong data-start=\"2144\" data-end=\"2166\"\u003eBlack oxide finish\u003c\/strong\u003e for enhanced corrosion resistance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2203\" data-end=\"2272\"\u003e\n\u003cp data-start=\"2205\" data-end=\"2272\"\u003eEnsures long-term head gasket sealing and resistance to head lift\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2274\" data-end=\"2422\"\u003eStrength, heat resistance, and consistency—\u003cstrong data-start=\"2317\" data-end=\"2422\"\u003eP1’s S220 LS head stud kit gives your engine the confidence to perform under the toughest conditions.\u003c\/strong\u003e\u003c\/p\u003e","brand":"P1","offers":[{"title":"Default Title","offer_id":42732792774723,"sku":"K003-H02S","price":810.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/5836\/9859\/files\/7fd6eaf6-9bac-4b95-a49f-499bbb8ebb5e.jpg?v=1763732548"},{"product_id":"p1-toyota-2jz-head-stud-kit-oem-blocks-dart-w-11mm-threads-12pt-nuts-s220-series-black-oxide-finish","title":"P1 | TOYOTA 2JZ HEAD STUD KIT, OEM BLOCKS, DART W\/11MM THREADS, 12PT NUTS, S220 SERIES, BLACK OXIDE FINISH","description":"\u003cp data-start=\"156\" data-end=\"303\"\u003e\u003cstrong data-start=\"156\" data-end=\"189\"\u003eP1 – Toyota 2JZ Head Stud Kit\u003c\/strong\u003e\u003cbr data-start=\"189\" data-end=\"192\"\u003e\u003cstrong data-start=\"192\" data-end=\"283\"\u003eFor OEM \u0026amp; Dart Blocks | 11mm Threads | 12-Point Nuts | S220 Series | Black Oxide Finish\u003c\/strong\u003e\u003cbr data-start=\"283\" data-end=\"286\"\u003e\u003cstrong data-start=\"286\" data-end=\"303\"\u003ePN# K020-H01S\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"305\" data-end=\"697\"\u003eThe \u003cstrong data-start=\"309\" data-end=\"356\"\u003eP1 Toyota 2JZ Head Stud Kit (PN# K020-H01S)\u003c\/strong\u003e is engineered for extreme-performance 2JZ engines requiring maximum clamping strength, thermal stability, and long-term reliability. Designed to suit both \u003cstrong data-start=\"512\" data-end=\"537\"\u003eOEM Toyota 2JZ blocks\u003c\/strong\u003e and \u003cstrong data-start=\"542\" data-end=\"561\"\u003eDart 2JZ blocks\u003c\/strong\u003e, this kit utilises \u003cstrong data-start=\"581\" data-end=\"605\"\u003e11mm thread geometry\u003c\/strong\u003e for superior block engagement—critical for high-boost, high-cylinder-pressure applications.\u003c\/p\u003e\n\u003cp data-start=\"699\" data-end=\"1235\"\u003eEach stud is manufactured from P1’s premium \u003cstrong data-start=\"743\" data-end=\"764\"\u003eS220 Series alloy\u003c\/strong\u003e, delivering an outstanding \u003cstrong data-start=\"792\" data-end=\"833\"\u003e220,000 psi ultimate tensile strength\u003c\/strong\u003e. This advanced steel—sourced exclusively from \u003cstrong data-start=\"880\" data-end=\"899\"\u003eUSA-based mills\u003c\/strong\u003e—offers exceptional heat resistance and stability under the intense thermal cycling common in turbocharged and competition-grade 2JZ engines. The S220 material also enables significantly \u003cstrong data-start=\"1086\" data-end=\"1139\"\u003ehigher clamp load compared to competing fasteners\u003c\/strong\u003e, improving head-to-block sealing and reducing the risk of head lift under extreme boost levels.\u003c\/p\u003e\n\u003cp data-start=\"1237\" data-end=\"1501\"\u003eThe durable \u003cstrong data-start=\"1249\" data-end=\"1271\"\u003eblack oxide finish\u003c\/strong\u003e enhances corrosion resistance while maintaining a clean, professional appearance. Precision-machined \u003cstrong data-start=\"1373\" data-end=\"1390\"\u003e12-point nuts\u003c\/strong\u003e and hardened washers ensure balanced clamping, smooth torque application, and long-term head gasket integrity.\u003c\/p\u003e\n\u003cp data-start=\"1503\" data-end=\"1718\"\u003eWhether the build is focused on drag racing, roll racing, high-power street performance, or full motorsport use, this kit delivers the fastening strength required to support substantial power levels with confidence.\u003c\/p\u003e\n\u003cp data-start=\"1720\" data-end=\"1739\"\u003e\u003cstrong data-start=\"1720\" data-end=\"1737\"\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1740\" data-end=\"2374\"\u003e\n\u003cli data-start=\"1740\" data-end=\"1802\"\u003e\n\u003cp data-start=\"1742\" data-end=\"1802\"\u003eCompatible with \u003cstrong data-start=\"1758\" data-end=\"1776\"\u003eToyota 2JZ OEM\u003c\/strong\u003e and \u003cstrong data-start=\"1781\" data-end=\"1793\"\u003eDart 2JZ\u003c\/strong\u003e blocks\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1803\" data-end=\"1873\"\u003e\n\u003cp data-start=\"1805\" data-end=\"1873\"\u003eStrong \u003cstrong data-start=\"1812\" data-end=\"1827\"\u003e11mm thread\u003c\/strong\u003e configuration for superior block engagement\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1874\" data-end=\"1964\"\u003e\n\u003cp data-start=\"1876\" data-end=\"1964\"\u003eManufactured from \u003cstrong data-start=\"1894\" data-end=\"1915\"\u003eS220 Series alloy\u003c\/strong\u003e with \u003cstrong data-start=\"1921\" data-end=\"1962\"\u003e220,000 psi ultimate tensile strength\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1965\" data-end=\"2030\"\u003e\n\u003cp data-start=\"1967\" data-end=\"2030\"\u003eUSA-sourced steel for unmatched stability and heat resistance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2031\" data-end=\"2089\"\u003e\n\u003cp data-start=\"2033\" data-end=\"2089\"\u003eHigher clamp load than comparable aftermarket hardware\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2090\" data-end=\"2173\"\u003e\n\u003cp data-start=\"2092\" data-end=\"2173\"\u003eDesigned to combat head lift in high-boost, high-cylinder-pressure environments\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2174\" data-end=\"2225\"\u003e\n\u003cp data-start=\"2176\" data-end=\"2225\"\u003eIncludes \u003cstrong data-start=\"2185\" data-end=\"2202\"\u003e12-point nuts\u003c\/strong\u003e and hardened washers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2226\" data-end=\"2300\"\u003e\n\u003cp data-start=\"2228\" data-end=\"2300\"\u003e\u003cstrong data-start=\"2228\" data-end=\"2250\"\u003eBlack oxide finish\u003c\/strong\u003e for corrosion protection and clean installation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2301\" data-end=\"2374\"\u003e\n\u003cp data-start=\"2303\" data-end=\"2374\"\u003eIdeal for heavy boost, large-frame turbo setups, and competition builds\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2376\" data-end=\"2529\"\u003eBuilt for extreme power—\u003cstrong data-start=\"2400\" data-end=\"2529\"\u003eP1’s S220 head stud kit provides the clamping force your 2JZ needs to stay sealed, stable, and ready for maximum performance.\u003c\/strong\u003e\u003c\/p\u003e","brand":"P1","offers":[{"title":"Default Title","offer_id":42732807487555,"sku":"K020-H01S","price":537.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/5836\/9859\/files\/385f5c0d-c9e3-4a61-8bff-8a24ddf9f29f.jpg?v=1763733145"},{"product_id":"p1-toyota-2jz-main-stud-kit-12pt-nuts-e190-black-oxide-finish","title":"P1 | TOYOTA 2JZ MAIN STUD KIT, 12PT NUTS, E190, BLACK OXIDE FINISH","description":"\u003cp data-start=\"103\" data-end=\"211\"\u003e\u003cstrong data-start=\"103\" data-end=\"136\"\u003eP1 – Toyota 2JZ Main Stud Kit\u003c\/strong\u003e\u003cbr data-start=\"136\" data-end=\"139\"\u003e\u003cstrong data-start=\"139\" data-end=\"191\"\u003e12-Point Nuts | E190 Series | Black Oxide Finish\u003c\/strong\u003e\u003cbr data-start=\"191\" data-end=\"194\"\u003e\u003cstrong data-start=\"194\" data-end=\"211\"\u003ePN# K020-M01E\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"213\" data-end=\"622\"\u003eThe \u003cstrong data-start=\"217\" data-end=\"264\"\u003eP1 Toyota 2JZ Main Stud Kit (PN# K020-M01E)\u003c\/strong\u003e is engineered to deliver superior bottom-end stability, precise crankshaft alignment, and consistent main cap clamping for high-performance 2JZ engines. Manufactured for builders pushing substantial horsepower, high RPM, and elevated cylinder pressures, this kit provides the secure foundation required for serious street, drag, and motorsport applications.\u003c\/p\u003e\n\u003cp data-start=\"624\" data-end=\"1109\"\u003eEach stud is crafted from P1’s advanced \u003cstrong data-start=\"664\" data-end=\"685\"\u003eE190 Series alloy\u003c\/strong\u003e, offering excellent tensile strength, durability, and fatigue resistance. This material is specifically chosen to maintain stable clamp load under extreme mechanical stress—ideal for engines running upgraded turbo systems, higher boost levels, or stroker and forged rotating assemblies. The E190 alloy ensures dependable main cap retention, helping reduce cap walk, minimize crankshaft distortion, and improve bearing life.\u003c\/p\u003e\n\u003cp data-start=\"1111\" data-end=\"1374\"\u003eA protective \u003cstrong data-start=\"1124\" data-end=\"1146\"\u003eblack oxide finish\u003c\/strong\u003e enhances corrosion resistance while providing a professional, clean appearance during installation. Precision-engineered \u003cstrong data-start=\"1268\" data-end=\"1285\"\u003e12-point nuts\u003c\/strong\u003e and hardened washers ensure even torque distribution and reliable, repeatable fastening.\u003c\/p\u003e\n\u003cp data-start=\"1376\" data-end=\"1515\"\u003ePerfect for high-output builds, this stud kit helps create a robust and stable lower end capable of supporting significant power increases.\u003c\/p\u003e\n\u003cp data-start=\"1517\" data-end=\"1536\"\u003e\u003cstrong data-start=\"1517\" data-end=\"1534\"\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1537\" data-end=\"2086\"\u003e\n\u003cli data-start=\"1537\" data-end=\"1589\"\u003e\n\u003cp data-start=\"1539\" data-end=\"1589\"\u003eDesigned specifically for \u003cstrong data-start=\"1565\" data-end=\"1579\"\u003eToyota 2JZ\u003c\/strong\u003e engines\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1590\" data-end=\"1647\"\u003e\n\u003cp data-start=\"1592\" data-end=\"1647\"\u003eManufactured from high-strength \u003cstrong data-start=\"1624\" data-end=\"1645\"\u003eE190 Series alloy\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1648\" data-end=\"1721\"\u003e\n\u003cp data-start=\"1650\" data-end=\"1721\"\u003eExcellent tensile and fatigue resistance for high-stress environments\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1722\" data-end=\"1787\"\u003e\n\u003cp data-start=\"1724\" data-end=\"1787\"\u003eHelps prevent main cap walk and improves crankshaft stability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1788\" data-end=\"1855\"\u003e\n\u003cp data-start=\"1790\" data-end=\"1855\"\u003eIdeal for turbocharged, high-boost, forged, and high-RPM builds\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1856\" data-end=\"1935\"\u003e\n\u003cp data-start=\"1858\" data-end=\"1935\"\u003e\u003cstrong data-start=\"1858\" data-end=\"1875\"\u003e12-point nuts\u003c\/strong\u003e and hardened washers for precise torque and even clamping\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1936\" data-end=\"1996\"\u003e\n\u003cp data-start=\"1938\" data-end=\"1996\"\u003e\u003cstrong data-start=\"1938\" data-end=\"1960\"\u003eBlack oxide finish\u003c\/strong\u003e for enhanced corrosion protection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1997\" data-end=\"2086\"\u003e\n\u003cp data-start=\"1999\" data-end=\"2086\"\u003eConsistent, repeatable fastening for improved bearing life and bottom-end reliability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2088\" data-end=\"2235\"\u003eStrength, consistency, and stability—\u003cstrong data-start=\"2125\" data-end=\"2235\"\u003eP1’s E190 main stud kit provides the secure foundation your 2JZ bottom end needs to support serious power.\u003c\/strong\u003e\u003c\/p\u003e","brand":"P1","offers":[{"title":"Default Title","offer_id":42732826689603,"sku":"K020-M01E","price":360.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/5836\/9859\/files\/b9974302-9218-48f4-8267-bc026a5ed8cd.jpg?v=1763733658"},{"product_id":"p1-toyota-2jz-main-stud-kit-dart-iron-eagle-w-4bolt-12pt-nuts-e190-series-black-oxide-finish","title":"P1 | TOYOTA 2JZ MAIN STUD KIT, DART IRON EAGLE W\/ 4BOLT, 12PT NUTS, E190 SERIES, BLACK OXIDE FINISH","description":"\u003cp data-start=\"88\" data-end=\"234\"\u003e\u003cstrong data-start=\"88\" data-end=\"121\"\u003eP1 – Toyota 2JZ Main Stud Kit\u003c\/strong\u003e\u003cbr data-start=\"121\" data-end=\"124\"\u003e\u003cstrong data-start=\"124\" data-end=\"214\"\u003eFor Dart Iron Eagle Blocks (4-Bolt) | 12-Point Nuts | E190 Series | Black Oxide Finish\u003c\/strong\u003e\u003cbr data-start=\"214\" data-end=\"217\"\u003e\u003cstrong data-start=\"217\" data-end=\"234\"\u003ePN# K020-M02E\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"236\" data-end=\"729\"\u003eThe \u003cstrong data-start=\"240\" data-end=\"314\"\u003eP1 Toyota 2JZ Main Stud Kit for Dart Iron Eagle Blocks (PN# K020-M02E)\u003c\/strong\u003e is engineered to provide maximum bottom-end strength, precise main cap alignment, and exceptional clamping stability for high-power 2JZ builds utilising the \u003cstrong data-start=\"472\" data-end=\"506\"\u003eDart 4-bolt main configuration\u003c\/strong\u003e. Designed specifically for the increased rigidity and performance demands of the Iron Eagle block, this stud kit delivers the secure foundation required for extreme horsepower, high boost, and sustained high-RPM operation.\u003c\/p\u003e\n\u003cp data-start=\"731\" data-end=\"1082\"\u003eEach stud is manufactured from P1’s premium \u003cstrong data-start=\"775\" data-end=\"796\"\u003eE190 Series alloy\u003c\/strong\u003e, delivering outstanding tensile strength and fatigue resistance. This material offers a consistent, repeatable clamp load that helps prevent main cap walk, minimises crankshaft distortion, and improves bearing life, critical in turbocharged, stroker, and fully forged engine combinations.\u003c\/p\u003e\n\u003cp data-start=\"1084\" data-end=\"1370\"\u003eA high-durability \u003cstrong data-start=\"1102\" data-end=\"1124\"\u003eblack oxide finish\u003c\/strong\u003e protects the hardware from corrosion while maintaining a clean, professional look during assembly. Precision-machined \u003cstrong data-start=\"1243\" data-end=\"1260\"\u003e12-point nuts\u003c\/strong\u003e and hardened washers ensure smooth torque application and even load distribution across all 4-bolt main caps.\u003c\/p\u003e\n\u003cp data-start=\"1372\" data-end=\"1594\"\u003eBuilt to support serious drag racing, roll-racing, street-performance, and full motorsport power levels, this kit gives your Dart Iron Eagle 2JZ bottom end the strength and stability it needs to survive extreme conditions.\u003c\/p\u003e\n\u003cp data-start=\"1596\" data-end=\"1615\"\u003e\u003cstrong data-start=\"1596\" data-end=\"1613\"\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1616\" data-end=\"2219\"\u003e\n\u003cli data-start=\"1616\" data-end=\"1705\"\u003e\n\u003cp data-start=\"1618\" data-end=\"1705\"\u003eDesigned specifically for \u003cstrong data-start=\"1644\" data-end=\"1674\"\u003eToyota 2JZ Dart Iron Eagle\u003c\/strong\u003e blocks with \u003cstrong data-start=\"1687\" data-end=\"1703\"\u003e4-bolt mains\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1706\" data-end=\"1763\"\u003e\n\u003cp data-start=\"1708\" data-end=\"1763\"\u003eManufactured from high-strength \u003cstrong data-start=\"1740\" data-end=\"1761\"\u003eE190 Series alloy\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1764\" data-end=\"1838\"\u003e\n\u003cp data-start=\"1766\" data-end=\"1838\"\u003eExcellent tensile and fatigue resistance for extreme-load applications\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1839\" data-end=\"1899\"\u003e\n\u003cp data-start=\"1841\" data-end=\"1899\"\u003eHelps prevent main cap walk and improves crank stability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1900\" data-end=\"1962\"\u003e\n\u003cp data-start=\"1902\" data-end=\"1962\"\u003eIdeal for high-boost, high-RPM, forged, and stroker builds\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1963\" data-end=\"2045\"\u003e\n\u003cp data-start=\"1965\" data-end=\"2045\"\u003eIncludes \u003cstrong data-start=\"1974\" data-end=\"1991\"\u003e12-point nuts\u003c\/strong\u003e and hardened washers for precise torque application\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2046\" data-end=\"2125\"\u003e\n\u003cp data-start=\"2048\" data-end=\"2125\"\u003e\u003cstrong data-start=\"2048\" data-end=\"2070\"\u003eBlack oxide finish\u003c\/strong\u003e for corrosion protection and professional appearance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2126\" data-end=\"2219\"\u003e\n\u003cp data-start=\"2128\" data-end=\"2219\"\u003eEnsures consistent main cap clamping for enhanced bearing life and bottom-end reliability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2221\" data-end=\"2393\"\u003eStronger, safer, and built for extreme performance—\u003cstrong data-start=\"2272\" data-end=\"2393\"\u003eP1’s E190 main stud kit gives your Dart Iron Eagle 2JZ the rock-solid foundation needed for serious power production.\u003c\/strong\u003e\u003c\/p\u003e","brand":"P1","offers":[{"title":"Default Title","offer_id":42733776371779,"sku":"K020-M02E","price":681.3,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/5836\/9859\/files\/8a677263-babe-4c79-91b5-c89833e75228.jpg?v=1763775828"},{"product_id":"p1-nissan-rb26-main-stud-kit-12pt-nuts-s220-black-oxide-finish","title":"P1 | NISSAN RB26 MAIN STUD KIT, 12PT NUTS, S220, BLACK OXIDE FINISH","description":"\u003cp data-start=\"121\" data-end=\"230\"\u003e\u003cstrong data-start=\"121\" data-end=\"155\"\u003eP1 – Nissan RB26 Main Stud Kit\u003c\/strong\u003e\u003cbr data-start=\"155\" data-end=\"158\"\u003e\u003cstrong data-start=\"158\" data-end=\"210\"\u003e12-Point Nuts | S220 Series | Black Oxide Finish\u003c\/strong\u003e\u003cbr data-start=\"210\" data-end=\"213\"\u003e\u003cstrong data-start=\"213\" data-end=\"230\"\u003ePN# K053-M01S\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"232\" data-end=\"617\"\u003eThe \u003cstrong data-start=\"236\" data-end=\"284\"\u003eP1 Nissan RB26 Main Stud Kit (PN# K053-M01S)\u003c\/strong\u003e is engineered to deliver maximum bottom-end stability, superior main cap retention, and long-term reliability for high-performance and competition-grade RB26 builds. Designed to handle extreme boost, elevated cylinder pressures, and high-RPM abuse, this stud kit provides the secure foundation required for serious power production.\u003c\/p\u003e\n\u003cp data-start=\"619\" data-end=\"1165\"\u003eEach stud is manufactured from P1’s advanced \u003cstrong data-start=\"664\" data-end=\"685\"\u003eS220 Series alloy\u003c\/strong\u003e, offering an exceptional \u003cstrong data-start=\"711\" data-end=\"752\"\u003e220,000 psi ultimate tensile strength\u003c\/strong\u003e. This ultra-high-strength, USA-sourced steel provides outstanding resistance to stretch, thermal fatigue, and clamp-load loss—critical for RB26 engines running large turbochargers, forged internals, or high-horsepower tuning strategies. The enhanced clamp load capability of the S220 material helps prevent main cap walk and reduces crankshaft distortion, improving bearing life and overall bottom-end integrity.\u003c\/p\u003e\n\u003cp data-start=\"1167\" data-end=\"1431\"\u003eA durable \u003cstrong data-start=\"1177\" data-end=\"1199\"\u003eblack oxide finish\u003c\/strong\u003e protects the hardware from corrosion while maintaining a clean, professional appearance. The included \u003cstrong data-start=\"1302\" data-end=\"1338\"\u003eprecision-machined 12-point nuts\u003c\/strong\u003e and hardened washers ensure even torque distribution for consistent and repeatable clamping.\u003c\/p\u003e\n\u003cp data-start=\"1433\" data-end=\"1630\"\u003eEngine builders will appreciate the added security and stability this kit brings to the RB26 platform, making it ideal for drag racing, roll racing, circuit use, and high-boost street applications.\u003c\/p\u003e\n\u003cp data-start=\"1632\" data-end=\"1651\"\u003e\u003cstrong data-start=\"1632\" data-end=\"1649\"\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1652\" data-end=\"2265\"\u003e\n\u003cli data-start=\"1652\" data-end=\"1717\"\u003e\n\u003cp data-start=\"1654\" data-end=\"1717\"\u003eDesigned specifically for the \u003cstrong data-start=\"1684\" data-end=\"1699\"\u003eNissan RB26\u003c\/strong\u003e engine platform\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1718\" data-end=\"1799\"\u003e\n\u003cp data-start=\"1720\" data-end=\"1799\"\u003eManufactured from ultra-strong \u003cstrong data-start=\"1751\" data-end=\"1772\"\u003eS220 Series alloy\u003c\/strong\u003e with \u003cstrong data-start=\"1778\" data-end=\"1797\"\u003e220,000 psi UTS\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1800\" data-end=\"1879\"\u003e\n\u003cp data-start=\"1802\" data-end=\"1879\"\u003eUSA-sourced steel for superior consistency, strength, and thermal stability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1880\" data-end=\"1952\"\u003e\n\u003cp data-start=\"1882\" data-end=\"1952\"\u003eHigh clamp load helps prevent main cap walk and crankcase distortion\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1953\" data-end=\"2022\"\u003e\n\u003cp data-start=\"1955\" data-end=\"2022\"\u003eEssential for high-boost, high-RPM, and forged-performance builds\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2023\" data-end=\"2101\"\u003e\n\u003cp data-start=\"2025\" data-end=\"2101\"\u003eIncludes \u003cstrong data-start=\"2034\" data-end=\"2051\"\u003e12-point nuts\u003c\/strong\u003e and hardened washers for precise torque control\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2102\" data-end=\"2184\"\u003e\n\u003cp data-start=\"2104\" data-end=\"2184\"\u003e\u003cstrong data-start=\"2104\" data-end=\"2126\"\u003eBlack oxide finish\u003c\/strong\u003e for corrosion resistance and a clean, professional look\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2185\" data-end=\"2265\"\u003e\n\u003cp data-start=\"2187\" data-end=\"2265\"\u003eEnsures stable bottom-end clamping for improved bearing life and reliability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2267\" data-end=\"2412\"\u003eStrength, stability, and extreme durability—\u003cstrong data-start=\"2311\" data-end=\"2412\"\u003eP1’s S220 RB26 main stud kit provides the rock-solid foundation your high-power RB build demands\u003c\/strong\u003e\u003c\/p\u003e","brand":"P1","offers":[{"title":"Default Title","offer_id":42733784662083,"sku":"K053-M01S","price":485.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/5836\/9859\/files\/4f254998-a856-44a8-8305-07835939f9ef.jpg?v=1763776247"},{"product_id":"p1-nissan-rb26dett-head-stud-kit-12pt-nuts-s220-series-black-oxide-finish","title":"P1 | NISSAN RB26DETT HEAD STUD KIT, 12PT NUTS, S220 SERIES, BLACK OXIDE FINISH","description":"\u003cp data-start=\"88\" data-end=\"182\"\u003e\u003cstrong data-start=\"88\" data-end=\"182\"\u003eP1 Nissan RB26DETT Head Stud Kit – 12-Point Nuts, S220 Series, Black Oxide\u003cbr data-start=\"164\" data-end=\"167\"\u003ePN# K053-H02S\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"184\" data-end=\"538\"\u003eUpgrade the clamping integrity of your RB26DETT with the P1 S220 Series Head Stud Kit — engineered for extreme cylinder pressures, high-RPM stability, and consistent long-term torque retention. Designed specifically for performance-built RB26 engines, this kit provides the strength and reliability demanded by serious tuners and high-boost applications.\u003c\/p\u003e\n\u003cp data-start=\"540\" data-end=\"873\"\u003eManufactured from P1’s premium S220 ultra-strength alloy, each stud delivers exceptional tensile performance and superior fatigue resistance, ensuring your head gasket stays sealed even under the harshest conditions. A durable black oxide finish provides added corrosion protection while maintaining smooth, consistent torque values.\u003c\/p\u003e\n\u003cp data-start=\"875\" data-end=\"1024\"\u003eThis kit includes premium 12-point nuts and hardened washers to ensure precise loading and even distribution across the entire cylinder head surface.\u003c\/p\u003e\n\u003cp data-start=\"1026\" data-end=\"1045\"\u003e\u003cstrong data-start=\"1026\" data-end=\"1043\"\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1046\" data-end=\"1549\"\u003e\n\u003cli data-start=\"1046\" data-end=\"1130\"\u003e\n\u003cp data-start=\"1048\" data-end=\"1130\"\u003e\u003cstrong data-start=\"1048\" data-end=\"1088\"\u003eEngineered for RB26DETT applications\u003c\/strong\u003e — ideal for high-boost, high-RPM builds\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1131\" data-end=\"1216\"\u003e\n\u003cp data-start=\"1133\" data-end=\"1216\"\u003e\u003cstrong data-start=\"1133\" data-end=\"1168\"\u003eS220 Series high-strength alloy\u003c\/strong\u003e for exceptional clamping force and durability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1217\" data-end=\"1302\"\u003e\n\u003cp data-start=\"1219\" data-end=\"1302\"\u003e\u003cstrong data-start=\"1219\" data-end=\"1241\"\u003eBlack oxide finish\u003c\/strong\u003e for enhanced corrosion resistance and consistent torqueing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1303\" data-end=\"1372\"\u003e\n\u003cp data-start=\"1305\" data-end=\"1372\"\u003e\u003cstrong data-start=\"1305\" data-end=\"1343\"\u003e12-point nuts and hardened washers\u003c\/strong\u003e for precision and strength\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1373\" data-end=\"1456\"\u003e\n\u003cp data-start=\"1375\" data-end=\"1456\"\u003e\u003cstrong data-start=\"1375\" data-end=\"1418\"\u003eDesigned for ultimate sealing integrity\u003c\/strong\u003e in extreme performance environments\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1457\" data-end=\"1549\"\u003e\n\u003cp data-start=\"1459\" data-end=\"1549\"\u003e\u003cstrong data-start=\"1459\" data-end=\"1510\"\u003ePerfect upgrade from standard or aging hardware\u003c\/strong\u003e in both street and motorsport builds\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"P1","offers":[{"title":"Default Title","offer_id":42733805076547,"sku":"K053-H02S","price":568.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/5836\/9859\/files\/426a37f1-e150-4523-b99a-8338c77108e2.jpg?v=1763778190"},{"product_id":"p1-torquepoint-fastener-assembly-lube-8-oz-brush-top-jar","title":"P1 | TORQUEPOINT FASTENER ASSEMBLY LUBE, 8 OZ BRUSH TOP JAR","description":"\u003cp data-start=\"103\" data-end=\"174\"\u003e\u003cstrong data-start=\"103\" data-end=\"174\"\u003eP1 TorquePoint Fastener Assembly Lube – 8oz Brush-Top Jar\u003cbr data-start=\"162\" data-end=\"165\"\u003ePN# TP8\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"176\" data-end=\"560\"\u003eEnsure consistent, accurate, and repeatable torque results with the P1 TorquePoint Fastener Assembly Lube — engineered specifically for high-performance engine building, precision machining, and motorsport-grade fastener installation. This premium lubricant is designed to reduce friction, prevent galling, and deliver predictable clamp load across all critical fastener applications.\u003c\/p\u003e\n\u003cp data-start=\"562\" data-end=\"922\"\u003eFormulated to maintain stability under extreme temperatures and pressures, TorquePoint Lube provides superior film strength, making it ideal for head studs, main studs, rod bolts, valvetrain components, and any assembly requiring precise torque specifications. The convenient 8oz brush-top jar ensures clean, controlled application in any workshop environment.\u003c\/p\u003e\n\u003cp data-start=\"924\" data-end=\"943\"\u003e\u003cstrong data-start=\"924\" data-end=\"941\"\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"944\" data-end=\"1424\"\u003e\n\u003cli data-start=\"944\" data-end=\"1023\"\u003e\n\u003cp data-start=\"946\" data-end=\"1023\"\u003e\u003cstrong data-start=\"946\" data-end=\"983\"\u003eDelivers consistent torque values\u003c\/strong\u003e for precise and repeatable clamp load\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1024\" data-end=\"1104\"\u003e\n\u003cp data-start=\"1026\" data-end=\"1104\"\u003e\u003cstrong data-start=\"1026\" data-end=\"1067\"\u003eReduces friction and prevents galling\u003c\/strong\u003e on threads and under-head surfaces\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1105\" data-end=\"1191\"\u003e\n\u003cp data-start=\"1107\" data-end=\"1191\"\u003e\u003cstrong data-start=\"1107\" data-end=\"1129\"\u003eHigh film strength\u003c\/strong\u003e for reliable performance under extreme temperature and load\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1192\" data-end=\"1278\"\u003e\n\u003cp data-start=\"1194\" data-end=\"1278\"\u003e\u003cstrong data-start=\"1194\" data-end=\"1276\"\u003eIdeal for head studs, main studs, rod bolts, and all critical engine fasteners\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1279\" data-end=\"1348\"\u003e\n\u003cp data-start=\"1281\" data-end=\"1348\"\u003e\u003cstrong data-start=\"1281\" data-end=\"1302\"\u003e8oz brush-top jar\u003c\/strong\u003e for clean, easy, workshop-ready application\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1349\" data-end=\"1424\"\u003e\n\u003cp data-start=\"1351\" data-end=\"1424\"\u003e\u003cstrong data-start=\"1351\" data-end=\"1422\"\u003eSuitable for high-performance, race, and professional engine builds\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"P1","offers":[{"title":"Default Title","offer_id":42754150563907,"sku":"TP8","price":43.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/5836\/9859\/files\/098bec59-94b8-4c2f-9e57-617fe844ddc4.jpg?v=1764394115"},{"product_id":"p1-torquepoint-fastener-assembly-lube-1-oz-packet","title":"P1 | TORQUEPOINT FASTENER ASSEMBLY LUBE, 1 OZ PACKET","description":"\u003cp data-start=\"94\" data-end=\"159\"\u003e\u003cstrong data-start=\"94\" data-end=\"159\"\u003eP1 TorquePoint Fastener Assembly Lube – 1oz Packet\u003cbr data-start=\"146\" data-end=\"149\"\u003ePN# LB01\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"161\" data-end=\"581\"\u003eThe P1 TorquePoint Fastener Assembly Lube in the convenient 1oz packet delivers the same professional-grade performance as the full-size jar, engineered to provide precise, repeatable torque values across all critical fastener applications. Designed for engine builders, race teams, and performance workshops, this lubricant reduces friction, prevents galling, and ensures the correct clamp load with every installation.\u003c\/p\u003e\n\u003cp data-start=\"583\" data-end=\"887\"\u003eIts high film strength and thermal stability make it ideal for use on head studs, main studs, rod bolts, valvetrain components, and any assembly that demands accuracy and reliability. The compact 1oz packet is perfect for single builds, trackside service, or toolboxes where space and convenience matter.\u003c\/p\u003e\n\u003cp data-start=\"889\" data-end=\"908\"\u003e\u003cstrong data-start=\"889\" data-end=\"906\"\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"909\" data-end=\"1363\"\u003e\n\u003cli data-start=\"909\" data-end=\"980\"\u003e\n\u003cp data-start=\"911\" data-end=\"980\"\u003e\u003cstrong data-start=\"911\" data-end=\"939\"\u003eConsistent torque values\u003c\/strong\u003e for accurate and repeatable clamp load\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"981\" data-end=\"1061\"\u003e\n\u003cp data-start=\"983\" data-end=\"1061\"\u003e\u003cstrong data-start=\"983\" data-end=\"1024\"\u003eReduces friction and prevents galling\u003c\/strong\u003e on threads and under-head surfaces\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1062\" data-end=\"1134\"\u003e\n\u003cp data-start=\"1064\" data-end=\"1134\"\u003e\u003cstrong data-start=\"1064\" data-end=\"1086\"\u003eHigh film strength\u003c\/strong\u003e for stability under extreme heat and pressure\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1135\" data-end=\"1217\"\u003e\n\u003cp data-start=\"1137\" data-end=\"1217\"\u003e\u003cstrong data-start=\"1137\" data-end=\"1215\"\u003ePerfect for head studs, main studs, rod bolts, and all precision fasteners\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1218\" data-end=\"1295\"\u003e\n\u003cp data-start=\"1220\" data-end=\"1295\"\u003e\u003cstrong data-start=\"1220\" data-end=\"1245\"\u003eConvenient 1oz packet\u003c\/strong\u003e ideal for single engine builds or on-the-go use\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1296\" data-end=\"1363\"\u003e\n\u003cp data-start=\"1298\" data-end=\"1363\"\u003e\u003cstrong data-start=\"1298\" data-end=\"1361\"\u003eEngineered for high-performance and motorsport environments\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"P1","offers":[{"title":"Default Title","offer_id":42754152104003,"sku":"LB01","price":11.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/5836\/9859\/files\/b6d745be-35bc-437a-87a6-90a1d5231807.jpg?v=1764394368"},{"product_id":"p1-chevrolet-ls-head-stud-kit-gen-3-2003-earlier-two-different-length-studs-12pt-nuts-e190-series-black-oxide-finish","title":"P1 | CHEVROLET LS HEAD STUD KIT, GEN 3 2003 \u0026 EARLIER, TWO DIFFERENT LENGTH STUDS, 12PT NUTS, E190 SERIES, BLACK OXIDE FINISH","description":"\u003cp data-start=\"105\" data-end=\"237\"\u003e\u003cstrong data-start=\"105\" data-end=\"237\"\u003eP1 Chevrolet LS Head Stud Kit – Gen 3 (2003 \u0026amp; Earlier), Two-Length Stud Set, 12pt Nuts, E190 Series, Black Oxide\u003cbr data-start=\"219\" data-end=\"222\"\u003ePN# K003-H05E\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"239\" data-end=\"623\"\u003eThe P1 Chevrolet LS Head Stud Kit for early Gen 3 engines (2003 and earlier) is engineered to deliver reliable clamping force and long-term sealing performance in high-output LS applications. Featuring two different stud lengths to match the original LS architecture, this kit ensures precise fitment while improving block and cylinder head stability under extreme cylinder pressures.\u003c\/p\u003e\n\u003cp data-start=\"625\" data-end=\"1056\"\u003eManufactured from our premium E190 material — rated at an impressive 190,000 psi ultimate tensile strength — these studs provide exceptional durability, thread integrity, and resistance to stretch during high boost, high RPM, and high heat cycles. The black oxide finish adds corrosion resistance, while the included 12-point nuts and hardened washers deliver consistent torque transfer and uniform loading across the deck surface.\u003c\/p\u003e\n\u003cp data-start=\"1058\" data-end=\"1226\"\u003eThis is the ideal head fastening upgrade for naturally aspirated, boosted, nitrous, and endurance LS builds requiring greater reliability than OEM hardware can support.\u003c\/p\u003e\n\u003cp data-start=\"1228\" data-end=\"1247\"\u003e\u003cstrong data-start=\"1228\" data-end=\"1245\"\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1248\" data-end=\"1784\"\u003e\n\u003cli data-start=\"1248\" data-end=\"1335\"\u003e\n\u003cp data-start=\"1250\" data-end=\"1335\"\u003eDesigned for \u003cstrong data-start=\"1263\" data-end=\"1300\"\u003eGen 3 LS engines (2003 \u0026amp; earlier)\u003c\/strong\u003e using two different stud lengths\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1336\" data-end=\"1412\"\u003e\n\u003cp data-start=\"1338\" data-end=\"1412\"\u003e\u003cstrong data-start=\"1338\" data-end=\"1362\"\u003eE190 Series material\u003c\/strong\u003e with 190,000 psi UTS for strength and stability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1413\" data-end=\"1477\"\u003e\n\u003cp data-start=\"1415\" data-end=\"1477\"\u003e\u003cstrong data-start=\"1415\" data-end=\"1442\"\u003eEnhanced clamping force\u003c\/strong\u003e for improved head gasket sealing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1478\" data-end=\"1545\"\u003e\n\u003cp data-start=\"1480\" data-end=\"1545\"\u003eIdeal for \u003cstrong data-start=\"1490\" data-end=\"1543\"\u003eboosted, nitrous, and high-RPM performance builds\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1546\" data-end=\"1632\"\u003e\n\u003cp data-start=\"1548\" data-end=\"1632\"\u003e\u003cstrong data-start=\"1548\" data-end=\"1586\"\u003e12-point nuts and hardened washers\u003c\/strong\u003e included for consistent torque distribution\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1633\" data-end=\"1718\"\u003e\n\u003cp data-start=\"1635\" data-end=\"1718\"\u003e\u003cstrong data-start=\"1635\" data-end=\"1657\"\u003eBlack oxide finish\u003c\/strong\u003e for corrosion protection and clean professional appearance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1719\" data-end=\"1784\"\u003e\n\u003cp data-start=\"1721\" data-end=\"1784\"\u003eDirect replacement for OEM fasteners with improved durability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"P1","offers":[{"title":"Default Title","offer_id":42754189000771,"sku":"K003-H05E","price":733.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/5836\/9859\/files\/336e662e-c006-4a49-8e05-5e71651889b5.jpg?v=1764394673"},{"product_id":"p1-chevrolet-ls-main-stud-kit-gen-3-lsx-not-for-lt1-12pt-nuts-e190-series-black-oxide-finish","title":"P1 | CHEVROLET LS MAIN STUD KIT, GEN 3 \u0026 LSX, NOT FOR LT1, 12PT NUTS, E190 SERIES, BLACK OXIDE FINISH","description":"\u003cp data-start=\"112\" data-end=\"226\"\u003e\u003cstrong data-start=\"112\" data-end=\"226\"\u003eP1 Chevrolet LS Main Stud Kit – Gen 3 \u0026amp; LSX (Not for LT1), 12pt Nuts, E190 Series, Black Oxide\u003cbr data-start=\"208\" data-end=\"211\"\u003ePN# K003-M03E\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"228\" data-end=\"623\"\u003eThe P1 Chevrolet LS Main Stud Kit for Gen 3 and LSX engine platforms is engineered to deliver superior bottom-end strength, stability, and precision for high-performance and high-boost LS builds. Designed specifically for traditional Gen 3 and LSX blocks \u003cstrong data-start=\"483\" data-end=\"520\"\u003e(not compatible with LT1 engines)\u003c\/strong\u003e, this kit replaces factory main bolts with significantly stronger and more reliable E190-series studs.\u003c\/p\u003e\n\u003cp data-start=\"625\" data-end=\"1028\"\u003eCrafted from our premium E190 material — rated at 190,000 psi ultimate tensile strength — these studs maintain thread integrity, resist stretch under extreme loading, and help keep main caps perfectly aligned during high horsepower, high RPM, and endurance racing conditions. The included 12-point nuts and hardened washers ensure consistent torque values and even clamping across all main cap surfaces.\u003c\/p\u003e\n\u003cp data-start=\"1030\" data-end=\"1282\"\u003eFinished in durable black oxide, this kit provides both corrosion protection and a clean professional appearance, making it the ideal upgrade for LS street builds, boosted applications, and all-out race engines requiring dependable bottom-end security.\u003c\/p\u003e\n\u003cp data-start=\"1284\" data-end=\"1303\"\u003e\u003cstrong data-start=\"1284\" data-end=\"1301\"\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1304\" data-end=\"1815\"\u003e\n\u003cli data-start=\"1304\" data-end=\"1372\"\u003e\n\u003cp data-start=\"1306\" data-end=\"1372\"\u003eDesigned for \u003cstrong data-start=\"1319\" data-end=\"1334\"\u003eGen 3 \u0026amp; LSX\u003c\/strong\u003e platforms (\u003cstrong data-start=\"1346\" data-end=\"1369\"\u003enot for LT1 engines\u003c\/strong\u003e)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1373\" data-end=\"1447\"\u003e\n\u003cp data-start=\"1375\" data-end=\"1447\"\u003e\u003cstrong data-start=\"1375\" data-end=\"1399\"\u003eE190 Series material\u003c\/strong\u003e with 190,000 psi UTS for exceptional strength\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1448\" data-end=\"1517\"\u003e\n\u003cp data-start=\"1450\" data-end=\"1517\"\u003eImproves \u003cstrong data-start=\"1459\" data-end=\"1495\"\u003emain cap stability and alignment\u003c\/strong\u003e under extreme loads\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1518\" data-end=\"1590\"\u003e\n\u003cp data-start=\"1520\" data-end=\"1590\"\u003eIdeal for \u003cstrong data-start=\"1530\" data-end=\"1588\"\u003eboosted, nitrous, high-RPM, and endurance race engines\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1591\" data-end=\"1677\"\u003e\n\u003cp data-start=\"1593\" data-end=\"1677\"\u003eIncludes \u003cstrong data-start=\"1602\" data-end=\"1640\"\u003e12-point nuts and hardened washers\u003c\/strong\u003e for consistent torque and clamping\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1678\" data-end=\"1754\"\u003e\n\u003cp data-start=\"1680\" data-end=\"1754\"\u003e\u003cstrong data-start=\"1680\" data-end=\"1702\"\u003eBlack oxide finish\u003c\/strong\u003e for corrosion resistance and long-term durability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1755\" data-end=\"1815\"\u003e\n\u003cp data-start=\"1757\" data-end=\"1815\"\u003eDirect, high-strength replacement for OEM main fasteners\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"P1","offers":[{"title":"Default Title","offer_id":42754191753283,"sku":"K003-M03E","price":572.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/5836\/9859\/files\/03bd1e14-9af2-4361-96b4-0dc941787c54.jpg?v=1764395398"},{"product_id":"p1-chevrolet-lt1-main-stud-kit-gen-v-12pt-nuts-e190-series-black-oxide-finish","title":"P1 | CHEVROLET LT1 MAIN STUD KIT, GEN V, 12PT NUTS, E190 SERIES, BLACK OXIDE FINISH","description":"\u003cp data-start=\"115\" data-end=\"210\"\u003e\u003cstrong data-start=\"115\" data-end=\"210\"\u003eP1 Chevrolet LT1 Main Stud Kit – Gen V, 12pt Nuts, E190 Series, Black Oxide\u003cbr data-start=\"192\" data-end=\"195\"\u003ePN# K003-M01E\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"212\" data-end=\"594\"\u003eThe P1 Chevrolet LT1 Main Stud Kit for \u003cstrong data-start=\"251\" data-end=\"272\"\u003eGen V LT1 engines\u003c\/strong\u003e is engineered to reinforce the bottom end with superior strength, consistency, and reliability in high-performance applications. Designed specifically for the direct-injected Gen V platform, this kit replaces factory main bolts with precision-machined E190-series studs for improved main cap stability under extreme load.\u003c\/p\u003e\n\u003cp data-start=\"596\" data-end=\"988\"\u003eManufactured from our premium \u003cstrong data-start=\"626\" data-end=\"643\"\u003eE190 material\u003c\/strong\u003e, each stud delivers an ultimate tensile strength of \u003cstrong data-start=\"696\" data-end=\"711\"\u003e190,000 psi\u003c\/strong\u003e, offering exceptional resistance to stretch and maintaining accurate cap alignment during high boost, high RPM, and extended endurance use. The included 12-point nuts and hardened washers ensure proper torque transfer and uniform clamping across the entire main web structure.\u003c\/p\u003e\n\u003cp data-start=\"990\" data-end=\"1250\"\u003eFinished in a durable black oxide coating for corrosion protection and clean presentation, this kit is the ideal upgrade for LT1 builds running forced induction, nitrous, high RPM naturally aspirated setups, or any application where OEM hardware is not enough.\u003c\/p\u003e\n\u003cp data-start=\"1252\" data-end=\"1271\"\u003e\u003cstrong data-start=\"1252\" data-end=\"1269\"\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1272\" data-end=\"1807\"\u003e\n\u003cli data-start=\"1272\" data-end=\"1325\"\u003e\n\u003cp data-start=\"1274\" data-end=\"1325\"\u003eEngineered specifically for \u003cstrong data-start=\"1302\" data-end=\"1315\"\u003eGen V LT1\u003c\/strong\u003e engines\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1326\" data-end=\"1409\"\u003e\n\u003cp data-start=\"1328\" data-end=\"1409\"\u003e\u003cstrong data-start=\"1328\" data-end=\"1352\"\u003eE190 Series material\u003c\/strong\u003e with 190,000 psi UTS for exceptional fastener strength\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1410\" data-end=\"1490\"\u003e\n\u003cp data-start=\"1412\" data-end=\"1490\"\u003eEnhances \u003cstrong data-start=\"1421\" data-end=\"1468\"\u003emain cap alignment and bottom-end stability\u003c\/strong\u003e under extreme loads\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1491\" data-end=\"1569\"\u003e\n\u003cp data-start=\"1493\" data-end=\"1569\"\u003eIdeal for \u003cstrong data-start=\"1503\" data-end=\"1567\"\u003eboosted, nitrous, high-RPM, and endurance performance builds\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1570\" data-end=\"1665\"\u003e\n\u003cp data-start=\"1572\" data-end=\"1665\"\u003eIncludes \u003cstrong data-start=\"1581\" data-end=\"1619\"\u003e12-point nuts and hardened washers\u003c\/strong\u003e for consistent torque and clamping pressure\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1666\" data-end=\"1742\"\u003e\n\u003cp data-start=\"1668\" data-end=\"1742\"\u003e\u003cstrong data-start=\"1668\" data-end=\"1690\"\u003eBlack oxide finish\u003c\/strong\u003e for corrosion resistance and long-term durability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1743\" data-end=\"1807\"\u003e\n\u003cp data-start=\"1745\" data-end=\"1807\"\u003eDirect, high-strength replacement for OEM LT1 main fasteners\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"P1","offers":[{"title":"Default Title","offer_id":42754196602947,"sku":"K003-M01E","price":462.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/5836\/9859\/files\/6304e8e0-3013-44b5-8bf1-f8c017b27ce9.jpg?v=1764395769"},{"product_id":"p1-chevrolet-lt1-head-stud-kit-6-2l-m8-corner-studs-12pt-nuts-s220-series-black-oxide-finish","title":"P1 | CHEVROLET LT1 HEAD STUD KIT, 6.2L, M8 CORNER STUDS, 12PT NUTS, S220 SERIES, BLACK OXIDE FINISH","description":"\u003cp data-start=\"105\" data-end=\"216\"\u003e\u003cstrong data-start=\"105\" data-end=\"216\"\u003eP1 Chevrolet LT1 Head Stud Kit – 6.2L, M8 Corner Studs, 12pt Nuts, S220 Series, Black Oxide\u003cbr data-start=\"198\" data-end=\"201\"\u003ePN# K003-H06S\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"218\" data-end=\"641\"\u003eThe P1 Chevrolet LT1 Head Stud Kit is engineered specifically for \u003cstrong data-start=\"284\" data-end=\"310\"\u003e6.2L Gen V LT1 engines\u003c\/strong\u003e, featuring the correct \u003cstrong data-start=\"334\" data-end=\"353\"\u003eM8 corner studs\u003c\/strong\u003e to ensure proper cylinder head retention and gasket sealing. Built for high-boost, high-RPM, and high-heat applications, this kit replaces factory head bolts with significantly stronger and more consistent S220-series studs to maintain clamping force under the most demanding conditions.\u003c\/p\u003e\n\u003cp data-start=\"643\" data-end=\"1065\"\u003eCrafted from our premium \u003cstrong data-start=\"668\" data-end=\"685\"\u003eS220 material\u003c\/strong\u003e, each stud delivers an ultimate tensile strength of \u003cstrong data-start=\"738\" data-end=\"753\"\u003e220,000 psi\u003c\/strong\u003e, providing exceptional resistance to stretch and exceptional stability across extreme cylinder pressures. This added strength ensures improved head gasket integrity, reduced bore distortion, and reliable long-term sealing — whether the engine is running forced induction, nitrous, or aggressive NA power levels.\u003c\/p\u003e\n\u003cp data-start=\"1067\" data-end=\"1403\"\u003eA durable \u003cstrong data-start=\"1077\" data-end=\"1099\"\u003eblack oxide finish\u003c\/strong\u003e protects against corrosion while the included \u003cstrong data-start=\"1146\" data-end=\"1184\"\u003e12-point nuts and hardened washers\u003c\/strong\u003e deliver uniform torque transfer and precise, repeatable clamping. This kit is the ideal choice for builders upgrading the LT1 platform for serious street performance, drag racing, road racing, or endurance competition.\u003c\/p\u003e\n\u003cp data-start=\"1405\" data-end=\"1424\"\u003e\u003cstrong data-start=\"1405\" data-end=\"1422\"\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1425\" data-end=\"1966\"\u003e\n\u003cli data-start=\"1425\" data-end=\"1493\"\u003e\n\u003cp data-start=\"1427\" data-end=\"1493\"\u003eDesigned for \u003cstrong data-start=\"1440\" data-end=\"1458\"\u003e6.2L Gen V LT1\u003c\/strong\u003e engines with \u003cstrong data-start=\"1472\" data-end=\"1491\"\u003eM8 corner studs\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1494\" data-end=\"1577\"\u003e\n\u003cp data-start=\"1496\" data-end=\"1577\"\u003e\u003cstrong data-start=\"1496\" data-end=\"1520\"\u003eS220 Series material\u003c\/strong\u003e with 220,000 psi UTS for maximum head sealing strength\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1578\" data-end=\"1659\"\u003e\n\u003cp data-start=\"1580\" data-end=\"1659\"\u003eResists stud stretch under high cylinder pressure and extreme thermal cycling\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1660\" data-end=\"1732\"\u003e\n\u003cp data-start=\"1662\" data-end=\"1732\"\u003eIdeal for \u003cstrong data-start=\"1672\" data-end=\"1730\"\u003eboosted, nitrous, high-RPM, and competition LT1 builds\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1733\" data-end=\"1825\"\u003e\n\u003cp data-start=\"1735\" data-end=\"1825\"\u003eIncludes \u003cstrong data-start=\"1744\" data-end=\"1761\"\u003e12-point nuts\u003c\/strong\u003e and \u003cstrong data-start=\"1766\" data-end=\"1786\"\u003ehardened washers\u003c\/strong\u003e for consistent torque and clamp load\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1826\" data-end=\"1904\"\u003e\n\u003cp data-start=\"1828\" data-end=\"1904\"\u003e\u003cstrong data-start=\"1828\" data-end=\"1850\"\u003eBlack oxide finish\u003c\/strong\u003e for added corrosion resistance and clean appearance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1905\" data-end=\"1966\"\u003e\n\u003cp data-start=\"1907\" data-end=\"1966\"\u003eDirect, high-strength upgrade over OEM LT1 head fasteners\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"P1","offers":[{"title":"Default Title","offer_id":42754204696643,"sku":"K003-H06S","price":820.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/5836\/9859\/files\/4678f273-f52a-4572-8329-865d774ab35f.jpg?v=1764396187"},{"product_id":"p1-chevrolet-ls-head-stud-kit-gen-3-4-2004-and-later-all-studs-same-length-12pt-nuts-e190-series-black-oxide-finish","title":"P1 | CHEVROLET LS HEAD STUD KIT, GEN 3 \u0026 4, 2004 AND LATER, ALL STUDS SAME LENGTH, 12PT NUTS, E190 SERIES, BLACK OXIDE FINISH","description":"\u003cp data-start=\"125\" data-end=\"255\"\u003e\u003cstrong data-start=\"125\" data-end=\"255\"\u003eP1 Chevrolet LS Head Stud Kit – Gen 3 \u0026amp; 4 (2004+), Single-Length Stud Set, 12pt Nuts, E190 Series, Black Oxide\u003cbr data-start=\"237\" data-end=\"240\"\u003ePN# K003-H02E\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"257\" data-end=\"721\"\u003eThe P1 Chevrolet LS Head Stud Kit for \u003cstrong data-start=\"295\" data-end=\"338\"\u003e2004 and later Gen 3 \u0026amp; Gen 4 LS engines\u003c\/strong\u003e is engineered to provide superior head-to-block stability, featuring a \u003cstrong data-start=\"410\" data-end=\"446\"\u003esingle-length stud configuration\u003c\/strong\u003e for simplified installation and consistent clamping across the entire deck surface. Designed for high-output LS applications, this kit delivers the strength and precision needed to maintain head gasket integrity under extreme cylinder pressure, high boost, and elevated RPM.\u003c\/p\u003e\n\u003cp data-start=\"723\" data-end=\"1101\"\u003eEach stud is manufactured from our premium \u003cstrong data-start=\"766\" data-end=\"790\"\u003eE190 Series material\u003c\/strong\u003e, rated at \u003cstrong data-start=\"801\" data-end=\"842\"\u003e190,000 psi ultimate tensile strength\u003c\/strong\u003e, ensuring exceptional resistance to stretch and excellent thread engagement in both aluminium and iron LS blocks. The included \u003cstrong data-start=\"969\" data-end=\"1007\"\u003e12-point nuts and hardened washers\u003c\/strong\u003e ensure even torque application and repeatable, reliable clamp load for long-term performance.\u003c\/p\u003e\n\u003cp data-start=\"1103\" data-end=\"1402\"\u003eFinished in a durable \u003cstrong data-start=\"1125\" data-end=\"1148\"\u003eblack oxide coating\u003c\/strong\u003e for corrosion protection and a clean professional appearance, this kit is the ideal upgrade for LS street builds, turbocharged and supercharged combinations, nitrous engines, and endurance racing programs that require dependable head fastening strength.\u003c\/p\u003e\n\u003cp data-start=\"1404\" data-end=\"1423\"\u003e\u003cstrong data-start=\"1404\" data-end=\"1421\"\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1424\" data-end=\"1912\"\u003e\n\u003cli data-start=\"1424\" data-end=\"1475\"\u003e\n\u003cp data-start=\"1426\" data-end=\"1475\"\u003eDesigned for \u003cstrong data-start=\"1439\" data-end=\"1473\"\u003e2004+ Gen 3 \u0026amp; Gen 4 LS engines\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1476\" data-end=\"1541\"\u003e\n\u003cp data-start=\"1478\" data-end=\"1541\"\u003e\u003cstrong data-start=\"1478\" data-end=\"1511\"\u003eAll studs are the same length\u003c\/strong\u003e for simplified installation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1542\" data-end=\"1616\"\u003e\n\u003cp data-start=\"1544\" data-end=\"1616\"\u003e\u003cstrong data-start=\"1544\" data-end=\"1568\"\u003eE190 Series material\u003c\/strong\u003e with 190,000 psi UTS for outstanding strength\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1617\" data-end=\"1696\"\u003e\n\u003cp data-start=\"1619\" data-end=\"1696\"\u003eEnhances \u003cstrong data-start=\"1628\" data-end=\"1651\"\u003ehead gasket sealing\u003c\/strong\u003e under high boost, high RPM, and heavy load\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1697\" data-end=\"1779\"\u003e\n\u003cp data-start=\"1699\" data-end=\"1779\"\u003eIncludes \u003cstrong data-start=\"1708\" data-end=\"1725\"\u003e12-point nuts\u003c\/strong\u003e and \u003cstrong data-start=\"1730\" data-end=\"1750\"\u003ehardened washers\u003c\/strong\u003e for precise torque control\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1780\" data-end=\"1855\"\u003e\n\u003cp data-start=\"1782\" data-end=\"1855\"\u003e\u003cstrong data-start=\"1782\" data-end=\"1804\"\u003eBlack oxide finish\u003c\/strong\u003e for improved corrosion resistance and appearance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1856\" data-end=\"1912\"\u003e\n\u003cp data-start=\"1858\" data-end=\"1912\"\u003eDirect, high-strength replacement for OEM head bolts\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"P1","offers":[{"title":"Default Title","offer_id":42754205024323,"sku":"K003-H02E","price":677.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/5836\/9859\/files\/f9f392b8-8978-4050-b985-94cc968b2711.jpg?v=1764396528"},{"product_id":"p1-k033-s01s-chrysler-gen-iii-hemi-rocker-stud-kit-for-manton-rocker-arm-system-12pt-nuts-s220-series-black-oxide-fins","title":"P1 | CHRYSLER GEN III HEMI ROCKER STUD KIT - FOR MANTON ROCKER ARM SYSTEM, 12PT NUTS, S220 SERIES, BLACK OXIDE FINS","description":"\u003ch3\u003e\u003cstrong\u003e\u003cspan\u003eP1 Chrysler Gen III HEMI Rocker Stud Kit – Manton Rocker Arm System – S220 Series – Black Oxide Finish\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003ePart Number: K033-S01S\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eUpgrade the valvetrain fastening system in your Gen III HEMI with the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eP1 Chrysler Gen III HEMI Rocker Stud Kit\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, engineered specifically for engines fitted with a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eManton rocker arm system\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eManufactured from premium \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eP1 S220 Series material\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, this high-strength rocker stud kit is designed to provide exceptional clamping force and dependable rocker-system retention in demanding high-RPM and high-horsepower applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eA performance HEMI valvetrain can place substantial loads through the rocker system, particularly when running aggressive camshaft profiles, increased valve spring pressures and elevated engine speeds. Upgrading to purpose-built P1 studs provides additional security and more consistent fastening compared with relying on conventional hardware in these extreme applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe kit is supplied with \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e12-point nuts\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, providing excellent tool engagement while offering improved clearance around tightly packaged aftermarket valvetrain components. A durable \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eblack oxide finish\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e provides corrosion resistance and the clean, professional appearance expected from premium engine hardware.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan\u003eFeatures \u0026amp; Benefits\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eDesigned for Chrysler Gen III HEMI engines\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSpecifically engineered for Manton rocker arm systems\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eManufactured from premium P1 S220 Series material\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHigh-strength construction for demanding valvetrain applications\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eProvides consistent rocker-system clamping force\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIdeal for increased valve spring loads and high-RPM operation\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eStud design provides secure and repeatable valvetrain assembly\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSupplied with premium 12-point nuts\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e12-point design provides excellent tool engagement\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eImproved tool clearance around performance rocker systems\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBlack oxide finish for corrosion resistance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePrecision-manufactured for reliable fit and repeatable installation\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSuitable for serious street and motorsport engine combinations\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan\u003eTechnical Specifications\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eProduct Type: Rocker Stud Kit\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eEngine Family: Chrysler Gen III HEMI\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRocker System: Manton Rocker Arm System\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFastener Type: Rocker Stud\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNut Style: 12 Point\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMaterial: P1 S220 Series\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFinish: Black Oxide\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan\u003eWhat’s Included\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eComplete P1 S220 Series rocker stud set\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMatching 12-point retaining nuts\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan\u003eApplications\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eChrysler Gen III HEMI engines\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eGen III HEMI engines fitted with Manton rocker arm systems\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHigh-performance street HEMI builds\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDrag racing engines\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHigh-RPM competition engines\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNaturally aspirated combinations\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eTurbocharged HEMI applications\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSupercharged HEMI applications\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNitrous-assisted combinations\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eEngines using increased valve spring pressure or aggressive camshaft profiles\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan\u003eImportant Installation Notes\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThis stud kit is designed specifically for \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eGen III HEMI engines equipped with the Manton rocker arm system\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. Confirm rocker system compatibility before ordering.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eCorrect rocker-system installation, fastener preload and valvetrain geometry are critical in a performance HEMI. Always follow the installation and torque specifications supplied by P1, Manton or your engine builder.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThreads, mating surfaces and retaining hardware should be clean and free from damage before assembly.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan\u003eWhy Upgrade Your Rocker Hardware?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003ePerformance valvetrains operate under substantial dynamic loading. Increasing engine RPM, valve lift, camshaft acceleration or valve spring pressure places additional stress on the rocker arms and their mounting hardware.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eA high-strength rocker stud kit helps maintain consistent component location and clamping load, reducing the potential for unwanted movement within the rocker assembly and providing additional confidence in demanding race-engine applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan\u003eWhy Choose P1 Fasteners?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eP1 fasteners are engineered for professional engine builders, performance workshops and racers who demand premium strength and consistent clamping force from critical engine hardware.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eS220 Series\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is designed for extreme performance applications where increased material strength, precision manufacturing and dependable retention are required.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan\u003eWhy Buy From Prime Speedworks\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003ePrime Speedworks supplies P1 performance fasteners to engine builders, performance workshops, race teams and racers throughout Australia.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFrom Gen III HEMI head and main studs through to rocker-system hardware, cam bolts, balancer bolts and specialty fasteners, Prime Speedworks can help supply the correct P1 hardware for serious Mopar performance combinations.\u003c\/span\u003e\u003c\/p\u003e","brand":"P1","offers":[{"title":"Default Title","offer_id":42754517794883,"sku":"K033-S01S","price":412.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/5836\/9859\/files\/d75001b7-b432-4c9b-9cae-ca968b2a1c3b.jpg?v=1786412631"},{"product_id":"p1-honda-b-k-series-head-stud-kit-12pt-nuts-h260-series-plain-finish","title":"P1 | HONDA B\u0026K SERIES HEAD STUD KIT, 12PT NUTS, H260 SERIES, PLAIN FINISH","description":"\u003cp data-start=\"125\" data-end=\"226\"\u003e\u003cstrong data-start=\"125\" data-end=\"226\"\u003eP1 Honda B-Series \u0026amp; K-Series Head Stud Kit – 12pt Nuts, H260 Series, Plain Finish\u003cbr data-start=\"208\" data-end=\"211\"\u003ePN# K050-H04H\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"228\" data-end=\"611\"\u003eThe \u003cstrong data-start=\"232\" data-end=\"278\"\u003eP1 Honda B-Series \u0026amp; K-Series Head Stud Kit\u003c\/strong\u003e is engineered for extreme-output Honda builds where maximum clamping force, head gasket stability, and long-term reliability are critical. Designed to support high-RPM operation, aggressive boost levels, and competition use, this kit provides a substantial upgrade over factory head bolts for both \u003cstrong data-start=\"577\" data-end=\"602\"\u003eB-series and K-series\u003c\/strong\u003e engines.\u003c\/p\u003e\n\u003cp data-start=\"613\" data-end=\"970\"\u003eEach stud is manufactured from P1’s ultra-high-strength \u003cstrong data-start=\"669\" data-end=\"690\"\u003eH260 Series alloy\u003c\/strong\u003e, delivering exceptional tensile strength and resistance to stretch under extreme cylinder pressure. This material is specifically selected for small-bore, high-RPM engines where consistent clamp load and precise head-to-block sealing are essential for durability and performance.\u003c\/p\u003e\n\u003cp data-start=\"972\" data-end=\"1331\"\u003eThe kit includes precision-machined \u003cstrong data-start=\"1008\" data-end=\"1025\"\u003e12-point nuts\u003c\/strong\u003e and hardened washers to ensure accurate torque application and even load distribution across the cylinder head. Finished in a \u003cstrong data-start=\"1152\" data-end=\"1181\"\u003eplain (non-coated) finish\u003c\/strong\u003e, the fasteners maintain clean thread engagement and consistent torque values, making them ideal for professional engine assembly and competition use.\u003c\/p\u003e\n\u003cp data-start=\"1333\" data-end=\"1505\"\u003ePerfect for turbocharged, supercharged, nitrous, or all-out naturally aspirated Honda builds, this head stud kit delivers the confidence needed to push the limits reliably.\u003c\/p\u003e\n\u003cp data-start=\"1507\" data-end=\"1526\"\u003e\u003cstrong data-start=\"1507\" data-end=\"1524\"\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1527\" data-end=\"2004\"\u003e\n\u003cli data-start=\"1527\" data-end=\"1583\"\u003e\n\u003cp data-start=\"1529\" data-end=\"1583\"\u003eDesigned for \u003cstrong data-start=\"1542\" data-end=\"1573\"\u003eHonda B-Series and K-Series\u003c\/strong\u003e engines\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1584\" data-end=\"1640\"\u003e\n\u003cp data-start=\"1586\" data-end=\"1640\"\u003eManufactured from ultra-strong \u003cstrong data-start=\"1617\" data-end=\"1638\"\u003eH260 Series alloy\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1641\" data-end=\"1719\"\u003e\n\u003cp data-start=\"1643\" data-end=\"1719\"\u003eExceptional resistance to stretch for high-RPM and high-boost applications\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1720\" data-end=\"1786\"\u003e\n\u003cp data-start=\"1722\" data-end=\"1786\"\u003eImproves \u003cstrong data-start=\"1731\" data-end=\"1784\"\u003ehead gasket sealing and cylinder pressure control\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1787\" data-end=\"1870\"\u003e\n\u003cp data-start=\"1789\" data-end=\"1870\"\u003eIncludes \u003cstrong data-start=\"1798\" data-end=\"1815\"\u003e12-point nuts\u003c\/strong\u003e and hardened washers for precise torque and clamping\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1871\" data-end=\"1939\"\u003e\n\u003cp data-start=\"1873\" data-end=\"1939\"\u003e\u003cstrong data-start=\"1873\" data-end=\"1889\"\u003ePlain finish\u003c\/strong\u003e for consistent torque values and clean assembly\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1940\" data-end=\"2004\"\u003e\n\u003cp data-start=\"1942\" data-end=\"2004\"\u003eIdeal for street, drag, circuit, and motorsport Honda builds\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2006\" data-end=\"2186\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eHigh-RPM stability, extreme strength, and proven reliability — \u003cstrong data-start=\"2069\" data-end=\"2186\" data-is-last-node=\"\"\u003eP1’s H260 head stud kit gives serious Honda engines the clamping force they need to perform at the highest level.\u003c\/strong\u003e\u003c\/p\u003e","brand":"P1","offers":[{"title":"Default Title","offer_id":42838381199427,"sku":"K050-H04H","price":710.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/5836\/9859\/files\/6ae279e7-c4d7-4554-9be8-c374522e7817.jpg?v=1766568631"},{"product_id":"p1-mitsubishi-head-stud-kit-2-0l-4g63-6-bolt-12pt-nuts-e190-series-black-oxide-finish","title":"P1 | MITSUBISHI HEAD STUD KIT, 2.0L 4G63 6-BOLT, 12PT NUTS, E190 SERIES, BLACK OXIDE FINISH","description":"\u003cp data-start=\"102\" data-end=\"205\"\u003e\u003cstrong data-start=\"102\" data-end=\"205\"\u003eP1 Mitsubishi 4G63 Head Stud Kit – 2.0L 6-Bolt, 12pt Nuts, E190 Series, Black Oxide\u003cbr data-start=\"187\" data-end=\"190\"\u003ePN# K089-H01E\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"207\" data-end=\"555\"\u003eThe \u003cstrong data-start=\"211\" data-end=\"263\"\u003eP1 Mitsubishi 4G63 Head Stud Kit (PN# K089-H01E)\u003c\/strong\u003e is engineered to deliver consistent clamping force and superior head gasket sealing for high-performance \u003cstrong data-start=\"369\" data-end=\"389\"\u003e2.0L 6-bolt 4G63\u003c\/strong\u003e engines. Designed as a serious upgrade over factory head bolts, this kit is ideal for boosted street cars, drag racing, circuit use, and high-RPM competition builds.\u003c\/p\u003e\n\u003cp data-start=\"557\" data-end=\"919\"\u003eEach stud is manufactured from P1’s high-strength \u003cstrong data-start=\"607\" data-end=\"634\"\u003eE190 Series alloy steel\u003c\/strong\u003e, featuring an impressive \u003cstrong data-start=\"660\" data-end=\"701\"\u003e190,000 psi ultimate tensile strength\u003c\/strong\u003e. This material provides excellent resistance to stretch and fatigue under extreme cylinder pressures, helping maintain a stable and uniform clamp load to prevent head lift and gasket failure in demanding applications.\u003c\/p\u003e\n\u003cp data-start=\"921\" data-end=\"1208\"\u003eA durable \u003cstrong data-start=\"931\" data-end=\"953\"\u003eblack oxide finish\u003c\/strong\u003e enhances corrosion resistance while ensuring smooth, repeatable torque readings during installation. Precision \u003cstrong data-start=\"1065\" data-end=\"1082\"\u003e12-point nuts\u003c\/strong\u003e and hardened washers are included to deliver accurate torque application and even load distribution across the cylinder head.\u003c\/p\u003e\n\u003cp data-start=\"1210\" data-end=\"1413\"\u003eBuilt to handle aggressive boost, elevated combustion pressures, and sustained high-RPM operation, this head stud kit delivers the strength, reliability, and consistency that serious 4G63 builds require.\u003c\/p\u003e\n\u003cp data-start=\"1415\" data-end=\"1434\"\u003e\u003cstrong data-start=\"1415\" data-end=\"1432\"\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1435\" data-end=\"1919\"\u003e\n\u003cli data-start=\"1435\" data-end=\"1491\"\u003e\n\u003cp data-start=\"1437\" data-end=\"1491\"\u003eDesigned for \u003cstrong data-start=\"1450\" data-end=\"1481\"\u003eMitsubishi 2.0L 6-bolt 4G63\u003c\/strong\u003e engines\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1492\" data-end=\"1541\"\u003e\n\u003cp data-start=\"1494\" data-end=\"1541\"\u003eManufactured from \u003cstrong data-start=\"1512\" data-end=\"1539\"\u003eE190 Series alloy steel\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1542\" data-end=\"1587\"\u003e\n\u003cp data-start=\"1544\" data-end=\"1587\"\u003e\u003cstrong data-start=\"1544\" data-end=\"1585\"\u003e190,000 psi ultimate tensile strength\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1588\" data-end=\"1634\"\u003e\n\u003cp data-start=\"1590\" data-end=\"1634\"\u003eSuperior resistance to stretch and fatigue\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1635\" data-end=\"1706\"\u003e\n\u003cp data-start=\"1637\" data-end=\"1706\"\u003eImproves head gasket sealing under high boost and cylinder pressure\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1707\" data-end=\"1768\"\u003e\n\u003cp data-start=\"1709\" data-end=\"1768\"\u003eIncludes precision \u003cstrong data-start=\"1728\" data-end=\"1745\"\u003e12-point nuts\u003c\/strong\u003e and hardened washers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1769\" data-end=\"1848\"\u003e\n\u003cp data-start=\"1771\" data-end=\"1848\"\u003e\u003cstrong data-start=\"1771\" data-end=\"1793\"\u003eBlack oxide finish\u003c\/strong\u003e for corrosion protection and professional appearance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1849\" data-end=\"1919\"\u003e\n\u003cp data-start=\"1851\" data-end=\"1919\"\u003eIdeal for turbocharged street, track, and competition applications\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1921\" data-end=\"2075\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eRock-solid clamping, proven materials, and race-ready reliability — \u003cstrong data-start=\"1989\" data-end=\"2075\" data-is-last-node=\"\"\u003eP1 E190 head studs are built to keep your 4G63 sealed when the boost is turned up.\u003c\/strong\u003e\u003c\/p\u003e","brand":"P1","offers":[{"title":"Default Title","offer_id":42838427271235,"sku":"K089-H01E","price":228.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/5836\/9859\/files\/e66d907a-1868-44d8-85b0-1bd107a55968_9427aee9-303a-4512-a5ff-027485162786.jpg?v=1766576490"},{"product_id":"p1-p1-chevrolet-small-block-head-stud-kit-23-oem-many-aftermarket-heads-w-undercut-short-studs-12pt-nuts-e190-series","title":"P1 | CHEVROLET SMALL BLOCK HEAD STUD KIT, 23° OEM \u0026 MANY AFTERMARKET HEADS, W\/ UNDERCUT SHORT STUDS, 12PT NUTS, E190 SERIES,","description":"\u003ch3 data-start=\"142\" data-end=\"234\"\u003e\u003cstrong data-start=\"146\" data-end=\"232\"\u003eP1 Chevrolet Small Block Head Stud Kit – 23° OEM \u0026amp; Aftermarket Heads (E190 Series)\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"235\" data-end=\"252\"\u003e\u003cstrong data-start=\"235\" data-end=\"252\"\u003ePN: K002-H04E\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"254\" data-end=\"643\"\u003eWhen clamping force matters, the \u003cstrong data-start=\"287\" data-end=\"329\"\u003eP1 Chevrolet Small Block Head Stud Kit\u003c\/strong\u003e delivers uncompromising strength and precision for high-performance and competition SBC builds. Designed to suit \u003cstrong data-start=\"443\" data-end=\"490\"\u003e23° OEM and many aftermarket cylinder heads\u003c\/strong\u003e, this kit features \u003cstrong data-start=\"510\" data-end=\"534\"\u003eundercut short studs\u003c\/strong\u003e to ensure accurate torque, consistent preload, and superior gasket sealing under extreme cylinder pressures.\u003c\/p\u003e\n\u003cp data-start=\"645\" data-end=\"1018\"\u003eManufactured from \u003cstrong data-start=\"663\" data-end=\"697\"\u003eP1’s E190 Series premium alloy\u003c\/strong\u003e, these head studs provide exceptional tensile strength, fatigue resistance, and long-term durability—ideal for naturally aspirated, boosted, nitrous, and endurance applications. Precision-rolled threads and \u003cstrong data-start=\"905\" data-end=\"922\"\u003e12-point nuts\u003c\/strong\u003e ensure smooth installation, accurate torque readings, and repeatable performance you can trust.\u003c\/p\u003e\n\u003cp data-start=\"1020\" data-end=\"1173\"\u003eWhether you’re refreshing a street\/strip engine or assembling a full race combination, this kit is engineered to hold the head down when it matters most.\u003c\/p\u003e\n\u003ch4 data-start=\"1175\" data-end=\"1196\"\u003e\u003cstrong data-start=\"1180\" data-end=\"1196\"\u003eKey Features\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul data-start=\"1197\" data-end=\"1577\"\u003e\n\u003cli data-start=\"1197\" data-end=\"1265\"\u003e\n\u003cp data-start=\"1199\" data-end=\"1265\"\u003eSuits \u003cstrong data-start=\"1205\" data-end=\"1265\"\u003eChevrolet Small Block – 23° OEM \u0026amp; many aftermarket heads\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1266\" data-end=\"1347\"\u003e\n\u003cp data-start=\"1268\" data-end=\"1347\"\u003e\u003cstrong data-start=\"1268\" data-end=\"1292\"\u003eUndercut short studs\u003c\/strong\u003e for improved clamping accuracy and load distribution\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1348\" data-end=\"1398\"\u003e\n\u003cp data-start=\"1350\" data-end=\"1398\"\u003e\u003cstrong data-start=\"1350\" data-end=\"1398\"\u003eE190 Series high-strength alloy construction\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1399\" data-end=\"1463\"\u003e\n\u003cp data-start=\"1401\" data-end=\"1463\"\u003ePrecision thread rolling for maximum strength and durability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1464\" data-end=\"1517\"\u003e\n\u003cp data-start=\"1466\" data-end=\"1517\"\u003e\u003cstrong data-start=\"1466\" data-end=\"1483\"\u003e12-point nuts\u003c\/strong\u003e for reliable torque application\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1518\" data-end=\"1577\"\u003e\n\u003cp data-start=\"1520\" data-end=\"1577\"\u003eDesigned for \u003cstrong data-start=\"1533\" data-end=\"1577\"\u003ehigh-performance and racing environments\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 data-start=\"1579\" data-end=\"1597\"\u003e\u003cstrong data-start=\"1584\" data-end=\"1597\"\u003eIdeal For\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul data-start=\"1598\" data-end=\"1781\"\u003e\n\u003cli data-start=\"1598\" data-end=\"1641\"\u003e\n\u003cp data-start=\"1600\" data-end=\"1641\"\u003eStreet performance \u0026amp; strip applications\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1642\" data-end=\"1685\"\u003e\n\u003cp data-start=\"1644\" data-end=\"1685\"\u003eForced induction \u0026amp; nitrous combinations\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1686\" data-end=\"1723\"\u003e\n\u003cp data-start=\"1688\" data-end=\"1723\"\u003eTrack, drag, and endurance builds\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1724\" data-end=\"1781\"\u003e\n\u003cp data-start=\"1726\" data-end=\"1781\"\u003eEngines requiring consistent, repeatable head sealing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eDont Use ARP 234-4601 try the P1 range for a superior experience\u003c\/p\u003e","brand":"P1","offers":[{"title":"Default Title","offer_id":42883166699587,"sku":"K002-H04E","price":505.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/5836\/9859\/files\/a90dea09-6c1f-4b23-9751-37233dd66c5e.jpg?v=1768308715"},{"product_id":"p1-toyota-2jz-head-stud-kit-dart-iron-eagle-block-w-1-2-studs-s220-series-black-oxide-finish-pn-k020-h03s","title":"P1 | TOYOTA 2JZ HEAD STUD KIT, DART IRON EAGLE BLOCK W\/ 1\/2\" STUDS, S220 SERIES, BLACK OXIDE FINISH PN# K020-H03S","description":"\u003cp data-start=\"0\" data-end=\"132\"\u003e\u003cstrong data-start=\"0\" data-end=\"103\"\u003eP1 Toyota 2JZ Head Stud Kit – Dart Iron Eagle Block (1\/2\" Studs) – S220 Series – Black Oxide Finish\u003cbr\u003e\u003cbr\u003e\u003c\/strong\u003e\u003cstrong data-start=\"106\" data-end=\"132\"\u003ePart Number: K020-H03S\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"134\" data-end=\"492\"\u003eWhen pushing the limits of your 2JZ combination, cylinder head retention becomes critical. The P1 S220 Series Head Stud Kit is engineered specifically for high-horsepower applications using the Dart Iron Eagle block with 1\/2\" stud configuration, delivering the clamping force and reliability required in extreme boost and high cylinder pressure environments.\u003c\/p\u003e\n\u003cp data-start=\"494\" data-end=\"821\"\u003eManufactured from premium-grade materials and precision heat-treated, the S220 series offers exceptional tensile strength and fatigue resistance, ensuring consistent performance under the most demanding racing conditions. The black oxide finish provides added corrosion resistance while maintaining a clean, stealth appearance.\u003c\/p\u003e\n\u003cp data-start=\"823\" data-end=\"966\"\u003eDesigned for serious street and race builds alike, this kit ensures optimal head gasket sealing and long-term durability where it matters most.\u003c\/p\u003e\n\u003cp data-start=\"968\" data-end=\"992\"\u003e\u003cstrong data-start=\"968\" data-end=\"992\"\u003eFeatures \u0026amp; Benefits:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"993\" data-end=\"1345\"\u003e\n\u003cli data-section-id=\"4pe97n\" data-start=\"993\" data-end=\"1078\"\u003eDesigned for Toyota 2JZ with Dart Iron Eagle block (1\/2\" head stud configuration)\u003c\/li\u003e\n\u003cli data-section-id=\"nfmxp6\" data-start=\"1079\" data-end=\"1140\"\u003eS220 Series material for superior strength and durability\u003c\/li\u003e\n\u003cli data-section-id=\"1uavpqn\" data-start=\"1141\" data-end=\"1221\"\u003ePrecision-machined threads for accurate torque and consistent clamping force\u003c\/li\u003e\n\u003cli data-section-id=\"aqbhub\" data-start=\"1222\" data-end=\"1290\"\u003eBlack oxide finish for corrosion resistance and clean appearance\u003c\/li\u003e\n\u003cli data-section-id=\"1xytpii\" data-start=\"1291\" data-end=\"1345\"\u003eIdeal for high-boost, high-horsepower applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1347\" data-end=\"1367\"\u003e\u003cstrong data-start=\"1347\" data-end=\"1367\"\u003eWhat’s Included:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1368\" data-end=\"1424\"\u003e\n\u003cli data-section-id=\"zm91r1\" data-start=\"1368\" data-end=\"1394\"\u003eComplete head stud set\u003c\/li\u003e\n\u003cli data-section-id=\"1w6tvd1\" data-start=\"1395\" data-end=\"1424\"\u003eMatching nuts and washers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1426\" data-end=\"1443\"\u003e\u003cstrong data-start=\"1426\" data-end=\"1443\"\u003eApplications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1444\" data-end=\"1523\"\u003e\n\u003cli data-section-id=\"pznyqg\" data-start=\"1444\" data-end=\"1523\"\u003eToyota 2JZ engines fitted with Dart Iron Eagle block (1\/2\" stud conversion)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1525\" data-end=\"1680\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eBuilt for those who demand reliability at the highest level, the P1 S220 Head Stud Kit is the ultimate solution for keeping your 2JZ sealed under pressure.\u003c\/p\u003e","brand":"P1","offers":[{"title":"Default Title","offer_id":43176746680387,"sku":"K020-H03S","price":545.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/5836\/9859\/files\/e66d907a-1868-44d8-85b0-1bd107a55968_dd2e3894-99b4-4915-ba07-ebd2241ea07e.jpg?v=1776979759"},{"product_id":"p1-chevrolet-big-block-exhaust-stud-kit-heavy-duty","title":"P1 | CHEVROLET BIG BLOCK EXHAUST STUD KIT, HEAVY DUTY","description":"\u003ch3 data-section-id=\"nvg1hb\" data-start=\"0\" data-end=\"122\" class=\"PDq2pG_selectionAnchorContainer\"\u003e\n\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"4\" data-end=\"122\"\u003eP1 Chevrolet Big Block Exhaust Stud Kit – Heavy Duty – 12 Point Nuts – S220 Series – Black Oxide Finish (16 Piece)\u003c\/strong\u003e\u003c\/span\u003e\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003cp data-start=\"123\" data-end=\"149\"\u003e\u003cstrong data-start=\"123\" data-end=\"149\"\u003ePart Number: K001-E01S\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"151\" data-end=\"601\"\u003eUpgrade your Big Block Chevy exhaust fastening system with the \u003cstrong data-start=\"214\" data-end=\"248\"\u003eP1 Heavy Duty Exhaust Stud Kit\u003c\/strong\u003e, engineered to provide superior clamping force, durability, and long-term reliability in high-performance street and race applications. Manufactured from premium \u003cstrong data-start=\"411\" data-end=\"426\"\u003eS220 Series\u003c\/strong\u003e material, this kit is designed to withstand extreme heat cycles and vibration, ensuring your exhaust headers remain securely fastened under the toughest operating conditions.\u003c\/p\u003e\n\u003cp data-start=\"603\" data-end=\"948\"\u003eUnlike conventional bolts that can loosen over time, P1 exhaust studs provide more consistent clamping force, reduce thread wear in the cylinder head, and simplify header installation and removal. Finished in a durable \u003cstrong data-start=\"822\" data-end=\"845\"\u003eblack oxide coating\u003c\/strong\u003e, the studs offer excellent corrosion resistance while delivering a professional motorsport appearance.\u003c\/p\u003e\n\u003cp data-start=\"950\" data-end=\"1114\"\u003eSupplied with premium \u003cstrong data-start=\"972\" data-end=\"989\"\u003e12-point nuts\u003c\/strong\u003e, this kit provides improved tool access in tight engine bays and allows for accurate torque application during installation.\u003c\/p\u003e\n\u003ch3 data-section-id=\"15k79k3\" data-start=\"1116\" data-end=\"1143\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1120\" data-end=\"1143\"\u003eFeatures \u0026amp; Benefits\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"1144\" data-end=\"1774\"\u003e\n\u003cli data-section-id=\"h6eqba\" data-start=\"1144\" data-end=\"1202\"\u003eDesigned specifically for Chevrolet Big Block V8 engines\u003c\/li\u003e\n\u003cli data-section-id=\"16h9nd3\" data-start=\"1203\" data-end=\"1276\"\u003eHeavy-duty S220 Series material for exceptional strength and durability\u003c\/li\u003e\n\u003cli data-section-id=\"1xjyf99\" data-start=\"1277\" data-end=\"1350\"\u003eBlack oxide finish for corrosion resistance and professional appearance\u003c\/li\u003e\n\u003cli data-section-id=\"90f2di\" data-start=\"1351\" data-end=\"1421\"\u003ePremium 12-point nuts for improved clearance and easier installation\u003c\/li\u003e\n\u003cli data-section-id=\"aog3pd\" data-start=\"1422\" data-end=\"1486\"\u003eProvides superior and consistent exhaust header clamping force\u003c\/li\u003e\n\u003cli data-section-id=\"tofvne\" data-start=\"1487\" data-end=\"1557\"\u003eReduces thread wear in cylinder heads compared to conventional bolts\u003c\/li\u003e\n\u003cli data-section-id=\"1x3m4jg\" data-start=\"1558\" data-end=\"1624\"\u003eWithstands extreme exhaust temperatures and repeated heat cycles\u003c\/li\u003e\n\u003cli data-section-id=\"25l1k6\" data-start=\"1625\" data-end=\"1710\"\u003eIdeal for naturally aspirated, turbocharged, supercharged, and nitrous applications\u003c\/li\u003e\n\u003cli data-section-id=\"yvwjoe\" data-start=\"1711\" data-end=\"1774\"\u003ePrecision-manufactured for accurate fit and long service life\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"gqkziz\" data-start=\"1776\" data-end=\"1808\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1780\" data-end=\"1808\"\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"1809\" data-end=\"1942\"\u003e\n\u003cli data-section-id=\"1x1800w\" data-start=\"1809\" data-end=\"1835\"\u003eMaterial: P1 S220 Series\u003c\/li\u003e\n\u003cli data-section-id=\"1rt8lg9\" data-start=\"1836\" data-end=\"1857\"\u003eFinish: Black Oxide\u003c\/li\u003e\n\u003cli data-section-id=\"1yl7q7c\" data-start=\"1858\" data-end=\"1879\"\u003eNut Style: 12-Point\u003c\/li\u003e\n\u003cli data-section-id=\"1e38bya\" data-start=\"1880\" data-end=\"1904\"\u003eKit Quantity: 16 Piece\u003c\/li\u003e\n\u003cli data-section-id=\"u77uu3\" data-start=\"1905\" data-end=\"1942\"\u003eApplication: Chevrolet Big Block V8\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"19ds0g0\" data-start=\"1944\" data-end=\"1967\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1948\" data-end=\"1967\"\u003eWhat's Included\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"1968\" data-end=\"2022\"\u003e\n\u003cli data-section-id=\"zqo1j5\" data-start=\"1968\" data-end=\"1996\"\u003e8 Heavy-duty exhaust studs\u003c\/li\u003e\n\u003cli data-section-id=\"1vitq51\" data-start=\"1997\" data-end=\"2022\"\u003e8 Premium 12-point nuts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1lhszvz\" data-start=\"2024\" data-end=\"2044\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2028\" data-end=\"2044\"\u003eApplications\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"2045\" data-end=\"2227\"\u003e\n\u003cli data-section-id=\"4xdume\" data-start=\"2045\" data-end=\"2077\"\u003eChevrolet Big Block V8 engines\u003c\/li\u003e\n\u003cli data-section-id=\"1fm6a0p\" data-start=\"2078\" data-end=\"2132\"\u003eSuitable for cast iron or aftermarket cylinder heads\u003c\/li\u003e\n\u003cli data-section-id=\"137heo8\" data-start=\"2133\" data-end=\"2227\"\u003eIdeal for street performance, drag racing, circuit racing, off-road, and marine applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"17ozvf0\" data-start=\"2229\" data-end=\"2261\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2233\" data-end=\"2261\"\u003eWhy Choose P1 Fasteners?\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2262\" data-end=\"2617\"\u003eP1 fasteners are engineered for serious performance enthusiasts and professional engine builders who demand uncompromising quality. Manufactured to exacting tolerances using premium materials, every P1 fastener is designed to deliver exceptional strength, consistent clamping force, and long-term reliability in the most demanding motorsport environments.\u003c\/p\u003e\n\u003ch3 data-section-id=\"4jt4em\" data-start=\"2619\" data-end=\"2656\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2623\" data-end=\"2656\"\u003eWhy Buy From Prime Speedworks\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2657\" data-end=\"2978\"\u003eAt Prime Speedworks, we supply performance parts that have proven themselves in the harshest racing conditions. Whether you're building a street cruiser, competition drag car, burnout car, or dedicated circuit machine, P1 fasteners deliver the confidence and reliability needed to keep your engine performing at its best.\u003c\/p\u003e","brand":"P1","offers":[{"title":"Default Title","offer_id":43531400937539,"sku":"K001-E01S","price":363.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/5836\/9859\/files\/K001-E01S.jpg?v=1784111349"},{"product_id":"p1-chevrolet-ls-balancer-bolt-kit-gen-iii-gen-iv-s220-series-black-oxide-finish","title":"P1 | Chevrolet LS Balancer Bolt Kit – Gen III \/ Gen IV – S220 Series – Black Oxide Finish","description":"\u003ch3\u003e\u003cstrong\u003e\u003cspan\u003eP1 Chevrolet LS Balancer Bolt Kit – Gen III \/ Gen IV – S220 Series – Black Oxide Finish\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003ePart Number: K003-BB01S\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eSecure your harmonic balancer with confidence using the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eP1 Chevrolet LS Balancer Bolt Kit\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, engineered specifically for Gen III and Gen IV LS-based engines. Manufactured from premium \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eS220 Series\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e material, this heavy-duty balancer bolt provides the strength, clamping force, and reliability required in high-performance street and race applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe bolt features an \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eM16 x 2.0 thread\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e4.32\" under-head length\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, and a large \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e15\/16\" hex head\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e for positive tool engagement during installation. Supplied with a precision washer and P1 assembly lubricant, the kit helps ensure accurate torque application and consistent balancer retention.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eFinished in black oxide for corrosion resistance and a professional appearance, this kit is an ideal upgrade over standard production hardware when building or servicing a performance LS engine.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan\u003eFeatures \u0026amp; Benefits\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eDesigned for Chevrolet Gen III and Gen IV LS engines\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eManufactured from premium P1 S220 Series material\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eProvides reliable harmonic balancer clamping force\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHeavy-duty upgrade over standard production hardware\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e15\/16\" hex head provides secure tool engagement\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePrecision washer distributes clamping load evenly\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSupplied with P1 assembly lubricant for accurate installation\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBlack oxide finish for corrosion resistance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSuitable for high-performance street and race applications\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePrecision-manufactured for consistent fit and long-term durability\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan\u003eTechnical Specifications\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eThread Size: M16 x 2.0\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eUnder-Head Length: 4.32\"\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eWrench Size: 15\/16\"\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMaterial: P1 S220 Series\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFinish: Black Oxide\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eApplication: Chevrolet Gen III and Gen IV LS engines\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan\u003eWhat’s Included\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eP1 S220 Series harmonic balancer bolt\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePrecision balancer bolt washer\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eP1 assembly lubricant\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan\u003eApplications\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eChevrolet Gen III LS engines\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eChevrolet Gen IV LS engines\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePerformance street engines\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNaturally aspirated, turbocharged, supercharged, and nitrous combinations\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDrag racing, circuit racing, burnout, marine, and competition applications\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan\u003eWhy Choose P1 Fasteners?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eP1 fasteners are designed for professional engine builders, racers, and performance enthusiasts who demand dependable strength and consistent clamping force. Manufactured from premium materials and produced to exacting tolerances, P1 hardware delivers the reliability required in demanding high-performance engine applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan\u003eWhy Buy From Prime Speedworks\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003ePrime Speedworks supplies race-proven performance components backed by genuine technical knowledge and motorsport experience. Whether you are completing a street-performance LS build or preparing a dedicated competition engine, P1 fasteners provide the strength and confidence required to keep critical components securely retained.\u003c\/span\u003e\u003c\/p\u003e","brand":"P1","offers":[{"title":"Default Title","offer_id":43531613241411,"sku":"K003-BB01S","price":101.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/5836\/9859\/files\/K003-BB01S.jpg?v=1784113076"},{"product_id":"p1-chevrolet-big-block-balancer-bolt-kit-s220-series-black-oxide-finish","title":"P1 | Chevrolet Big Block Balancer Bolt Kit – S220 Series – Black Oxide Finish","description":"\u003ch3\u003e\u003cstrong\u003e\u003cspan\u003eP1 Chevrolet Big Block Balancer Bolt Kit – S220 Series – Black Oxide Finish\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003ePart Number: K001-BB01S\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eSecure your harmonic balancer with confidence using the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eP1 Chevrolet Big Block Balancer Bolt Kit\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, engineered for high-performance Big Block Chevy applications where reliable crankshaft retention is critical.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eManufactured from premium \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eP1 S220 Series material\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, this heavy-duty balancer bolt is designed to provide consistent clamping force and dependable performance in demanding street, drag racing and competition environments.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe bolt features a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e1\/2\"-20 thread\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e1.55\" under-head length\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, and a large \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e15\/16\" hex head\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e for secure tool engagement during installation. Supplied with a matching washer and P1 assembly lubricant, the kit provides the components required for accurate and repeatable installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eFinished in durable \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eblack oxide\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, the bolt offers corrosion resistance while maintaining a clean, professional motorsport appearance.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan\u003eFeatures \u0026amp; Benefits\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eDesigned for Chevrolet Big Block applications\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eManufactured from premium P1 S220 Series material\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eProvides strong and consistent harmonic balancer retention\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHeavy-duty upgrade over standard production hardware\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e15\/16\" hex head provides positive tool engagement\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePrecision washer helps distribute clamping load evenly\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSupplied with assembly lubricant for accurate installation\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBlack oxide finish for corrosion resistance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSuitable for high-performance street and race engines\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePrecision-manufactured for reliable fit and durability\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan\u003eTechnical Specifications\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eProduct Type: Harmonic Balancer Bolt Kit\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eApplication: Chevrolet Big Block\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eThread Size: 1\/2\"-20\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eUnder-Head Length: 1.55\"\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eWrench Size: 15\/16\"\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMaterial: P1 S220 Series\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFinish: Black Oxide\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan\u003eWhat’s Included\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e1 × P1 S220 Series balancer bolt\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e1 × Precision washer\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eP1 assembly lubricant\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan\u003eApplications\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eChevrolet Big Block V8 engines\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHigh-performance street engines\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDrag racing applications\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNaturally aspirated combinations\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSupercharged applications\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eTurbocharged applications\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNitrous-assisted engines\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCompetition and motorsport builds\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan\u003eImportant Installation Notes\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eCorrect balancer bolt torque and lubrication are critical to achieving the intended clamping force. Always follow the installation and torque specifications supplied by P1 or your engine builder.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eEnsure the crankshaft threads are clean, undamaged and suitable for the specified \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e1\/2\"-20\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e fastener before installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan\u003eWhy Choose P1 Fasteners?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eP1 fasteners are designed for professional engine builders, racers and performance enthusiasts who demand dependable strength and consistent clamping force from critical engine hardware.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe S220 Series provides a high-strength fastening solution for demanding performance applications, helping maintain component retention under high RPM, vibration and repeated load cycles.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan\u003eWhy Buy From Prime Speedworks\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003ePrime Speedworks supplies P1 performance fasteners to racers, workshops and engine builders throughout Australia.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFrom head and main stud kits through to balancer bolts, flexplate hardware and specialty engine fasteners, Prime Speedworks can help match the correct P1 hardware to your engine combination and performance requirements.\u003c\/span\u003e\u003c\/p\u003e","brand":"P1","offers":[{"title":"Default Title","offer_id":43650431483971,"sku":"K001-BB01S","price":101.0,"currency_code":"AUD","in_stock":true}]},{"product_id":"p1-chevrolet-v8-high-volume-oil-pump-stud-kit-12-point-nut-e190-series-black-oxide-finish","title":"P1 | Chevrolet V8 High Volume Oil Pump Stud Kit – 12 Point Nut – E190 Series – Black Oxide Finish","description":"\u003ch3\u003e\u003cstrong\u003e\u003cspan\u003eP1 Chevrolet V8 High Volume Oil Pump Stud Kit – 12 Point Nut – E190 Series – Black Oxide Finish\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003ePart Number: K009-A01E\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eSecure your oil pump with confidence using the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eP1 Chevrolet V8 High Volume Oil Pump Stud Kit\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, designed for performance Chevrolet V8 engines running high-volume oil pump combinations.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eManufactured from premium \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eP1 E190 Series material\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, this stud kit provides improved strength, consistent clamping force and dependable retention compared with conventional production hardware. In high-performance engines where reliable oil pressure is critical, maintaining positive oil-pump mounting is an important part of protecting the complete engine assembly.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe stud configuration also helps reduce wear on the engine block threads during assembly and servicing, while the supplied \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e12-point nut\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e provides excellent tool engagement and improved accessibility in confined areas.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eFinished in durable \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eblack oxide\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, the kit delivers corrosion resistance along with the clean, professional appearance expected from P1 performance hardware.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan\u003eFeatures \u0026amp; Benefits\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eDesigned for Chevrolet V8 high-volume oil pump applications\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eManufactured from premium P1 E190 Series material\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eProvides strong and consistent oil-pump clamping force\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHeavy-duty upgrade over standard production hardware\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eStud design reduces repeated wear on engine block threads\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e12-point nut provides excellent tool engagement\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eImproved accessibility during engine assembly\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBlack oxide finish for corrosion resistance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSuitable for high-performance street and race engines\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePrecision-manufactured for reliable fit and repeatable installation\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan\u003eTechnical Specifications\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eProduct Type: Oil Pump Stud Kit\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eApplication: Chevrolet V8\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eOil Pump Application: High Volume\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFastener Type: Stud\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNut Style: 12 Point\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMaterial: P1 E190 Series\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFinish: Black Oxide\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan\u003eWhat’s Included\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e1 × P1 E190 Series oil pump stud\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e1 × 12-point retaining nut\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan\u003eApplications\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eChevrolet V8 engines\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHigh-volume oil pump installations\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSmall Block Chevrolet performance engines\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBig Block Chevrolet applications where compatible\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHigh-performance street engines\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDrag racing engines\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCircuit and competition engines\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNaturally aspirated, turbocharged, supercharged and nitrous combinations\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan\u003eImportant Installation Notes\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eCorrect oil-pump retention is critical to maintaining reliable lubrication throughout the engine. Always confirm compatibility with the engine block and oil-pump combination being used before installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eFastener threads, mounting surfaces and engine block threads should be clean and free from damage before assembly. Follow P1 or your engine builder’s recommended lubrication and torque procedure to achieve the intended clamping load.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan\u003eWhy Upgrade to an Oil Pump Stud?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe oil pump is one of the most critical components in any performance engine. A stud-and-nut arrangement provides a stable mounting solution while reducing the need to repeatedly thread a bolt directly into the engine block during assembly and servicing.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eFor high-RPM or high-output Chevrolet engines using increased oil volume and pressure, quality oil-pump retention hardware provides an additional level of security in an area where failure can quickly result in significant engine damage.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan\u003eWhy Choose P1 Fasteners?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eP1 fasteners are developed for professional engine builders, racers and performance enthusiasts who require reliable strength and consistent clamping force from critical engine hardware.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eE190 Series\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e provides a high-quality fastening solution for performance engine applications where dependable component retention and repeatable assembly are essential.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan\u003eWhy Buy From Prime Speedworks\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003ePrime Speedworks supplies P1 performance fasteners to engine builders, performance workshops, race teams and racers throughout Australia.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFrom head and main stud kits through to oil-pump hardware, balancer bolts, exhaust studs and specialty engine fasteners, Prime Speedworks can help match the correct P1 hardware to your engine combination.\u003c\/span\u003e\u003c\/p\u003e","brand":"P1","offers":[{"title":"Default Title","offer_id":43650443509827,"sku":null,"price":30.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/5836\/9859\/files\/5ec0a85f-d050-4f7d-86ac-f5949182947a.jpg?v=1786407480"},{"product_id":"p1-chrysler-gen-iii-hemi-balancer-bolt-kit-s220-series-black-oxide-finish","title":"P1 | Chrysler Gen III HEMI Balancer Bolt Kit – S220 Series – Black Oxide Finish","description":"\u003ch3\u003e\u003cstrong\u003e\u003cspan\u003eP1 Chrysler Gen III HEMI Balancer Bolt Kit – S220 Series – Black Oxide Finish\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003ePart Number: K033-BB01S\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eSecure your harmonic balancer with confidence using the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eP1 Chrysler Gen III HEMI Balancer Bolt Kit\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, engineered for high-performance Gen III HEMI applications where dependable crankshaft and balancer retention is critical.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eManufactured from premium \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eP1 S220 Series material\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, this heavy-duty balancer bolt is designed to provide excellent tensile strength, consistent clamping force and long-term reliability in demanding street and motorsport environments.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe bolt features an \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eM14 x 1.5 thread\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e4.00\" under-head length\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, and a substantial \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e15\/16\" hex head\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e for positive tool engagement during installation. Supplied complete with a matching washer and P1 assembly lubricant, the kit provides the essential hardware required for accurate and repeatable balancer installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eA durable \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eblack oxide finish\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e provides corrosion resistance while maintaining the clean, professional appearance expected from premium performance engine hardware.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan\u003eFeatures \u0026amp; Benefits\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eDesigned for Chrysler Gen III HEMI engines\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eManufactured from premium P1 S220 Series material\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eProvides strong and consistent harmonic balancer retention\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHeavy-duty upgrade over standard production hardware\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHigh-strength construction suited to demanding engine combinations\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e15\/16\" hex head provides secure tool engagement\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePrecision washer helps distribute clamping force evenly\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSupplied with P1 assembly lubricant\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBlack oxide finish for corrosion resistance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSuitable for high-performance street and motorsport applications\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePrecision-manufactured for reliable fit and repeatable installation\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan\u003eTechnical Specifications\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eProduct Type: Harmonic Balancer Bolt Kit\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eApplication: Chrysler Gen III HEMI\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eThread Size: M14 x 1.5\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eUnder-Head Length: 4.00\"\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eWrench Size: 15\/16\"\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMaterial: P1 S220 Series\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFinish: Black Oxide\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan\u003eWhat’s Included\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e1 × P1 S220 Series harmonic balancer bolt\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e1 × Precision washer\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eP1 assembly lubricant\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan\u003eApplications\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eChrysler Gen III HEMI engines\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDodge performance applications\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eChrysler performance applications\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMopar Gen III HEMI builds\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHigh-performance street engines\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDrag racing engines\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNaturally aspirated combinations\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eTurbocharged applications\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSupercharged applications\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNitrous-assisted engines\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCompetition and motorsport builds\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan\u003eImportant Installation Notes\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eCorrect harmonic balancer bolt installation is critical to maintaining secure balancer retention and protecting the crankshaft and rotating assembly.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eAlways confirm compatibility with the specific crankshaft and harmonic balancer being used. Threads and mating surfaces should be clean and free from damage before installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eUse the supplied P1 lubricant and follow the recommended P1 or engine-builder torque procedure to achieve the intended fastener preload.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan\u003eWhy Upgrade Your Balancer Bolt?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe harmonic balancer is subjected to substantial torsional loads, vibration and repeated acceleration throughout engine operation. In high-performance Gen III HEMI combinations, dependable balancer retention becomes increasingly important as horsepower, RPM and cylinder pressure increase.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eUpgrading to premium P1 hardware provides additional confidence that this critical component remains securely retained under demanding operating conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan\u003eWhy Choose P1 Fasteners?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eP1 fasteners are engineered for professional engine builders, racers and performance enthusiasts who require dependable strength and repeatable clamping force from critical engine hardware.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eS220 Series\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is designed for demanding high-performance applications where premium material strength, precise manufacturing and reliable component retention are essential.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan\u003eWhy Buy From Prime Speedworks\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003ePrime Speedworks supplies P1 performance fasteners to engine builders, performance workshops, race teams and racers throughout Australia.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFrom head and main stud kits through to balancer bolts, flexplate hardware, exhaust studs and specialty engine fasteners, Prime Speedworks can help match the correct P1 hardware to your Gen III HEMI combination.\u003c\/span\u003e\u003c\/p\u003e","brand":"P1","offers":[{"title":"Default Title","offer_id":43650488041539,"sku":"K033-BB01S","price":101.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/5836\/9859\/files\/96e0b847-026f-4317-822c-cf81a04075a8.jpg?v=1786408920"},{"product_id":"p1-chrysler-gen-iii-hemi-cam-bolt-kit-2009-current-vvt-e190-series-black-oxide-finish","title":"P1 | Chrysler Gen III HEMI Cam Bolt Kit – 2009–Current VVT – E190 Series – Black Oxide Finish","description":"\u003ch3\u003e\u003cstrong\u003e\u003cspan\u003eP1 Chrysler Gen III HEMI Cam Bolt Kit – 2009–Current VVT – E190 Series – Black Oxide Finish\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003ePart Number: K033-C01E\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eSecure the camshaft and VVT assembly in your Gen III HEMI with the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eP1 Chrysler Gen III HEMI Cam Bolt Kit\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, designed specifically for \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e2009-current 5.7L, 6.2L and 6.4L VVT-equipped engines\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eManufactured from premium \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eP1 E190 Series material\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, this high-strength cam bolt provides reliable and consistent clamping force in a critical area of the valvetrain. Whether you're rebuilding a performance street HEMI or assembling a serious competition engine, upgrading critical factory hardware provides additional confidence under increased RPM, cylinder pressure and valvetrain load.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe kit is supplied with a matching washer to correctly distribute the fastener's clamping load across the camshaft and VVT assembly. A durable \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eblack oxide finish\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e provides corrosion resistance while maintaining the professional appearance expected from P1 performance hardware.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan\u003eFeatures \u0026amp; Benefits\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eDesigned specifically for Gen III HEMI VVT engines\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSuits 2009-current applications\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCompatible with 5.7L, 6.2L and 6.4L HEMI engines\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eManufactured from premium P1 E190 Series material\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHigh-strength replacement for critical camshaft hardware\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eProvides consistent camshaft and VVT assembly clamping force\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSupplied with matching washer\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eWasher assists with even distribution of fastener load\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBlack oxide finish for corrosion resistance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePrecision-manufactured for reliable fit and repeatable installation\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSuitable for high-performance street and motorsport engine builds\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan\u003eTechnical Specifications\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eProduct Type: Camshaft Bolt Kit\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eEngine Family: Chrysler Gen III HEMI\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eEngine Compatibility: 5.7L \/ 6.2L \/ 6.4L\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eModel Years: 2009–Current\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCamshaft System: VVT\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMaterial: P1 E190 Series\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFinish: Black Oxide\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eWasher Included: Yes\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan\u003eWhat’s Included\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e1 × P1 E190 Series camshaft bolt\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e1 × Matching camshaft bolt washer\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan\u003eApplications\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e2009-current Chrysler Gen III HEMI VVT engines\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e5.7L HEMI VVT applications\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e6.2L HEMI applications\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e6.4L HEMI VVT applications\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDodge Challenger performance builds\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDodge Charger performance builds\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eChrysler and Mopar performance applications\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNaturally aspirated engine combinations\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eTurbocharged HEMI builds\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSupercharged HEMI builds\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNitrous-assisted applications\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDrag racing and competition engines\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan\u003eImportant Installation Notes\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThis kit is designed for \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e2009-current Gen III HEMI engines using the VVT camshaft arrangement\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. Confirm engine year, displacement and camshaft\/VVT configuration before ordering.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe camshaft bolt is a critical valvetrain fastener. Always ensure the threads, washer and mating surfaces are clean and undamaged before assembly, and follow the recommended P1 or engine-builder installation and torque procedure.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan\u003eWhy Upgrade Your HEMI Cam Bolt?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe camshaft bolt is responsible for maintaining secure retention of critical camshaft and timing-system components. Increased engine speed, aggressive camshaft profiles, higher valve-spring loads and competition use can place significantly greater demands on valvetrain hardware.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eReplacing standard hardware with a purpose-built P1 fastener provides additional security in an area where movement or fastener failure can result in serious engine damage.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan\u003eWhy Choose P1 Fasteners?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eP1 fasteners are engineered for professional engine builders, performance workshops and racers who demand dependable strength and repeatable clamping force from critical engine hardware.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eE190 Series\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e provides a premium fastening solution for performance engine applications where precise manufacturing, material quality and reliable component retention are essential.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan\u003eWhy Buy From Prime Speedworks\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003ePrime Speedworks supplies P1 performance fasteners to engine builders, performance workshops, race teams and racers throughout Australia.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFrom Gen III HEMI head and main studs through to cam bolts, balancer bolts and specialty engine hardware, Prime Speedworks can help match the correct P1 fasteners to your Mopar performance combination.\u003c\/span\u003e\u003c\/p\u003e","brand":"P1","offers":[{"title":"Default Title","offer_id":43650810183747,"sku":"K033-C01E","price":65.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/5836\/9859\/files\/538911d3-dad7-4ea1-9716-5c5a2cf7927a.jpg?v=1786413523"},{"product_id":"p1-chevrolet-ls-head-stud-kit-dart-iron-ls-next-23-studs-per-head-s220-series","title":"P1 | Chevrolet LS Head Stud Kit – Dart Iron LS Next – 23 Studs Per Head – S220 Series","description":"\u003ch3\u003e\u003cstrong\u003e\u003cspan\u003eP1 Chevrolet LS Head Stud Kit – Dart Iron LS Next – 23 Studs Per Head – S220 Series\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003ePart Number: K003-H14S\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eUpgrade cylinder-head retention in your high-performance LS combination with the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eP1 Chevrolet LS Head Stud Kit\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, engineered specifically for \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eDart Iron LS Next blocks\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e using the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e23-stud-per-head configuration\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eDesigned for serious naturally aspirated, turbocharged, supercharged and nitrous-assisted applications, this kit uses \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e7\/16\" P1 S220 Series studs\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e to provide the clamping strength and consistency required in engines operating at elevated cylinder pressure and power levels.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe additional fastener locations used in the Dart LS Next architecture help improve cylinder-head sealing and load distribution compared with conventional LS configurations. Combined with P1’s premium S220 hardware, this kit provides a purpose-built solution for race engines where head gasket integrity and repeatable fastener preload are critical.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eSupplied with \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e12-point nuts\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e and finished in \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eblack oxide\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, the kit delivers a strong, professional and race-ready head-fastening package.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan\u003eFeatures \u0026amp; Benefits\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eDesigned specifically for Dart Iron LS Next blocks\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e23-stud-per-head configuration\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e7\/16\" head studs\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eP1 S220 Series high-strength construction\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDesigned for extreme cylinder-pressure applications\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHelps improve and maintain cylinder-head clamping force\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSupports improved head-gasket sealing\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSupplied with premium 12-point nuts\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBlack oxide finish\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePrecision-manufactured for consistent fit and installation\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSuitable for high-horsepower LS race combinations\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIdeal for naturally aspirated, turbocharged, supercharged and nitrous engines\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan\u003eTechnical Specifications\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eProduct Type: Cylinder Head Stud Kit\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBrand: P1\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePart Number: K003-H14S\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eEngine Family: Chevrolet LS\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBlock Application: Dart Iron LS Next\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eStud Diameter: 7\/16\"\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eStud Configuration: 23 Studs Per Head\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFastener Series: S220\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNut Style: 12 Point\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFinish: Black Oxide\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eApplication: High-Performance \/ Competition LS Engines\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan\u003eWhat’s Included\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eComplete P1 S220 head stud set for both cylinder heads\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMatching 12-point nuts\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePrecision washers where required\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan\u003eApplications\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eDart Iron LS Next blocks\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHigh-horsepower Chevrolet LS engines\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDrag racing applications\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNaturally aspirated competition engines\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eTurbocharged LS combinations\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSupercharged LS engines\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNitrous-assisted combinations\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHigh-RPM race engines\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eEngine builds requiring 23-stud-per-head retention\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan\u003eWhy Use a 23-Stud Head Configuration?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eHigh-output LS engines can generate enormous cylinder pressure, particularly in boosted and nitrous-assisted applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e23-stud-per-head arrangement\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e increases the number of clamping points around the cylinder head, helping distribute load more evenly and support improved head-gasket sealing under extreme conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eWhen combined with a Dart Iron LS Next block and premium P1 fasteners, this configuration provides a strong foundation for serious race-engine combinations.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan\u003eWhy Choose P1 S220?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eP1 S220 fasteners are engineered for demanding motorsport applications where material strength, consistency and repeatable preload are essential.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe S220 Series is designed to provide the strength required in high-cylinder-pressure environments while maintaining the precision required for professional engine assembly.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eFor serious LS builds, head fasteners are not an area to compromise.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan\u003eImportant Installation Notes\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThis kit is designed specifically for \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eDart Iron LS Next blocks using 7\/16\" studs and the 23-stud-per-head configuration\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eAlways confirm cylinder-head compatibility, block configuration and gasket arrangement before ordering.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eCorrect lubrication, tightening sequence and torque procedure are critical to achieving the intended fastener preload. Follow current P1 installation specifications or the recommendations of your engine builder.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan\u003eWhy Buy From Prime Speedworks\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003ePrime Speedworks supplies \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eP1 performance fasteners\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e to engine builders, performance workshops, racers and race teams throughout Australia.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFrom LS head and main stud kits through to balancer bolts, cam hardware and specialty engine fasteners, Prime Speedworks can help match the correct P1 hardware to your engine combination and performance goals.\u003c\/span\u003e\u003c\/p\u003e","brand":"P1","offers":[{"title":"Default Title","offer_id":43849342353475,"sku":"K003-H14S","price":1060.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/5836\/9859\/files\/6ae279e7-c4d7-4554-9be8-c374522e7817_49970b1e-b9aa-44db-831c-b1ce03c23723.jpg?v=1766570955"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/5836\/9859\/collections\/44c8bd_85de2d587106415ba858fec7c21c07dc_mv2.png?v=1771118763","url":"https:\/\/prime-speedworks.com\/collections\/fasteners.oembed?page=2","provider":"Prime Speedworks","version":"1.0","type":"link"}