ARP Pro Series ring gear bolts are forged from premium-grade 8740 chromoly steel and heat-treated to a rating of 200,000 psi Theyre available in a variety of lengths and thread sizes for nearly two dozen axle applications Specially hardened, precision-ground washers are also included, where requiredRing gear Bolts, chromoly, Black Oxide, 38 in-24, 800 in Length, gM 82 in, SetFeatures:Head Style: 12-pointThread Size: 38-24 in RHUnderhead Length (in): 0800 inFastener Yield Strength (psi): 200,000 psi Washer Included: No Fastener Material: chromoly Fastener Finish: Black oxide Quantity: Sold as a set