As the crankshaft flexes, the damper absorbs incredible amounts of energy. These damper bolt kits from ARP will ensure that your balancer is locked into position. They feature a 1/4 in. thick wide-area washer and an extra-tall, 12-point head that accepts a deep socket to eliminate the fear of stripping the head.
Thread Size: 7/16-20 in. RH
Underhead Length (in): 2.470 in.
Head Style: 12-point
Washer Included: Yes
Fastener Yield Strength (psi): 200,000 psi
Fastener Material: Chromoly
Fastener Finish: Black oxide
Features 5/8 in. socket size