BALANCER BOLT CHEV SB ARP 12pt

Harmonic Balancer Bolt, Chromoly, Black Oxide, 12-Point, Chevy, Small Block. 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.