P1 | CHEVROLET LS HEAD STUD KIT, GEN 3 & 4, 2004 AND LATER, ALL STUDS SAME LENGTH, 12PT NUTS, E190 SERIES, BLACK OXIDE FINISH

P1 Chevrolet LS Head Stud Kit – Gen 3 & 4 (2004+), Single-Length Stud Set, 12pt Nuts, E190 Series, Black Oxide
PN# K003-H02E

The P1 Chevrolet LS Head Stud Kit for 2004 and later Gen 3 & Gen 4 LS engines is engineered to provide superior head-to-block stability, featuring a single-length stud configuration 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.

Each stud is manufactured from our premium E190 Series material, rated at 190,000 psi ultimate tensile strength, ensuring exceptional resistance to stretch and excellent thread engagement in both aluminium and iron LS blocks. The included 12-point nuts and hardened washers ensure even torque application and repeatable, reliable clamp load for long-term performance.

Finished in a durable black oxide coating 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.

Key Features:

• Designed for 2004+ Gen 3 & Gen 4 LS engines

• All studs are the same length for simplified installation

• E190 Series material with 190,000 psi UTS for outstanding strength

• Enhances head gasket sealing under high boost, high RPM, and heavy load

• Includes 12-point nuts and hardened washers for precise torque control

• Black oxide finish for improved corrosion resistance and appearance

• Direct, high-strength replacement for OEM head bolts