ARP FORD MUSTANG COYOTE 12mm HEAD STUD KIT

Pro series cylinder head 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 200,000 psi for the 8740 material. ARP Pro series kits are also available with hex nuts, and all kits come complete with hardened parallel washers .

Over size washers available for a better torque load distribution