ARP LS Pro Series Cylinder Head Stud Kit 234-4317
ARP 8740 Chromoly Head Stud Kit. 12-point Nuts fits 2004 and later Chevy LS-series Engines These Pro series studs from ARP are cold-forged to ensure molecular integrity. They are heat-treated prior to thread rolling and machining and are rated at a whopping 190,000 psi. The Pro series kits are also available with 12-point nuts, and all kits come complete with hardened parallel washers for an even load distribution and accurate torque readings.