ARP 1545604 Four-Bolt Main Stud Kit

ARP Four-Bolt Main Stud Kit includes a hardened washer and high-strength hex nut. It is constructed from 8740 chrome moly steel and offers a tensile-strength rating of 190,000 psi. This main stud kit features a precision centerless-ground and thread-rolled to Mil-S-8879 specs and is finished with black oxide coating for corrosion resistance.