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OPGI Price: $59.95
Part Type: (P) High Performance, designed to improve performance
Sold As: SET
The ARP main studs are made from 8740 chrome-moly steel and heat-treated in-house to a 200,000 psi tensile strength, with precision-rolled J-threads after heat-treat. All main stud kits come with hardened and parallel ground washers and aerospace-quality nuts for highly accurate torque readings.