These ARP main studs are made from 8740 chromemoly steel and have a 190,000 psi tensile-strength rating. They are precision centerless-ground and thread-rolled to Mil-S-8879 specs, with a black oxide...
These bolts are the recommended part for any Ford Modular 8 bolt crankshaft upgrade or if you want to strengthen your 6 bolt unit these will work also.
These Pro series flywheel bolt kits...