Get maximum reliability through the use of ARP’s rugged 8740 chrome moly steel front mandrel bolts. They’re undercut to provide the required stretch, shot-peened for extra durability and designed for full thread engagement. Nominally rated at 200,000 psi tensile strength for durability you can count on! Available for GM and Ford applications. PartNumber : arp330-0704 Description : Front Mandrel Bolts; Hex Head Thread Length : 0.75 Diameter : 1/2 Socket : 15/16 Length : 4 Uncategorized::Uncategorized