ARP 156-2502 (5.0 Coyote Ford Modular Harmonic Damper/Balancer Bolt)

ARP Part #: 156-2502     Thread Size: 12mm x 1.50 Head Style: 12-point Washer Included: Yes Fastener Yield Strength (psi): 200,000 psi Fastener Material: 8740 chromoly Fastener Finish: Black oxide Quantity: Sold individually. 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.