The Best Fasteners On The Market!ARP uses premium grade materials that are far superior to '' aircraft '' quality. Each fastener is precisely heat treated and then is centerless ground to make it as close to perfectly concentric as possible.
Head Studs Key Features:
Premium grade 8740 alloy.
Heat treated to 200,000 psi
Come with parallel ground washers
Rolled threads after heat-treat processMain Studs Key Features:
Premium grade 8740 chrome moly steel
200,000 psi tensile strength
J-form rolled threads
Come with parallel washers and nuts