As the crankshaft flexes, the damper absorbs incredible amounts of energy. ARP damper bolt kits will ensure that your damper is locked into position. They feature a 12-point head that accepts a deep socket to eliminate the fear of stripping the head.
Thread Size: 18mm x 1.5 Underhead Length (in): 3.500 in. Head Style: 12-point Washer Included: Yes Fastener Tensile Strength (psi): 200,000 psi Fastener Material: 8740 chromoly Fastener Finish: Black oxide