Harmonic Balancer Bolt - 7/16-20 in Thread - 1-1/8 in Hex Head - 1/2 in Square Drive - Chromoly - Black Oxide - Small Block Chevy - Each

Harmonic Balancer Bolt - 5/8-18 in Thread - 1.800 in Long - 5/8 in 12 Point Head - Chromoly - Black Oxide - Ford Cleveland / Modified - Each

Harmonic Balancer Bolt - 1/2-20 in Thread - 1.500 in Long - 3/4 in Hex Head - Steel - Black Oxide - Big Block Chevy - Each