【Quality Standard】Each cylinder head screw set is strictly manufactured to ensure zero defects-hardened and parallel ground washers are included with zero failures to ensure uniform load distribution and accurate torque readings. Product details Application: The 12-point head studs bolts kit is for 2004-newer LS1 LS3 5.3L/5.7L/6.0L Engines,compatible with Chevy 2004-2019 LS1 LS6 L98 4.8L/5.3L/6.0L Engines. part number is 234-4317. Performance: Thels head studs are centerless ground and heat treated before thread rolling, are designed to maximize reliability and strength, with nominally rated 180K psi tensile strength... Performance: The high-performance cylinder head bolts have a reduced hexagon wrench or 12-point and large-area flange head, which can eliminate the need to disassemble the valve mechanism to facilitate the re-tightening of the cylinder head. Best LS Head Gaskets for Boosted Applications and High-Performance Chevy LS Replacement Studs 234-4317 Car Cylinder Head Stud Kit Durability Professional Accessories For Chevrolet LS1 LS3 5.3L 5.7L 6.0L Engines 2004 LS Engine Head Bolt Kit 【Forging Process】The bolts are cold forged to ensure molecular integrity and heat treated before thread rolling and machining, with a nominal rating of 200,000 psi. Cilinderkop Stud Kit Compatibel Met Chevrolet Ls L... – Grandado Products include: as shown in the picture All high-performance series bolts are 180,000 psi (15% stronger than grade 8), and the kit is also equipped with hardened parallel ground washers.
