Product Description
****Free shipping to lower 48****
****ARP 247-5401 fit 12v-24v Engines 98-14 12mm main studs*****
*****247-5402 Fits 12v Engines 89-97 (14mm Main Studs)****
These ARP main studs are made from 8740 chromoly 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 finish for corrosion resistance. The kits come complete with hardened washers and high-strength hex nuts.