ARP 641-3250 - 5/16-18 x 3.250 12pt black oxide bolts

Bolts, 12-Point Head, Custom 450, Black Oxide, 5/16 in.-18 RH Thread, 3.250 in. UHL, Set of 5 As the crankshaft flexes, the balancer absorbs incredible amounts of energy. ARP balancer bolt kits will ensure that your balancer is locked into position. They feature a 12-point head that accepts a deep socket to eliminate the fear of stripping the head.