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 delivers premium fastening for Gen 3 and Gen 4 LS engines in 2004 and later applications. This E190 series kit features uniform stud length across all positions, eliminating fitment variables and simplifying installation. Black oxide finish provides corrosion resistance and a professional appearance under the valve cover. Designed for serious builds where reliability matters, these studs offer superior clamping force consistency compared to factory bolts. The 12-point nuts ensure secure engagement and repeatable torque specs. Ideal for high-horsepower applications, boost builds, and engine rebuilds where head gasket integrity is critical. Fits all Gen 3 and Gen 4 LS platforms including LS1, LS2, LS3, LS7, LS9, and truck variants. Direct bolt-in replacement—no machine work required.