ARP Pro series cylinder head studs are cold-forged and are heat-treated prior to thread rolling and machining. These head studs are rated at 190,000 psi. All kits come complete with hardened parallel washers for an even load distribution and accurate torque readings Dodge Cummins 5.9L 24 Valve
12 Point Nuts
8740 Chromoly
Black Oxide Finish This product ships in approximately 1 days