{"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","url":"https:\/\/prime-speedworks.com\/products\/p1-chevrolet-ls-head-stud-kit-dart-iron-ls-next-23-studs-per-head-s220-series","provider":"Prime Speedworks","version":"1.0","type":"link"}