Harmonic Balancer Bolt - 7/16-20 in Thread - 2.250 in Long - 5/8 in Hex Head - Steel - Cadmium - Small Block Chevy - Each

Harmonic Balancer Bolt - 1/2-20 in Thread - 1.500 in Long - 5/8 in Hex Head - Steel - Cadmium - Big Block Chevy - Each

Harmonic Balancer Bolt - 16 mm x 2.00 Thread - 4.250 in Long - 27 mm 12 Point Head - Steel - Black Oxide - GM LS-Series - Each

Harmonic Balancer Bolt - 16 mm x 2.00 Thread - 4.055 in Long - 24 mm Hex Head - Steel - Zinc Oxide - GM LS-Series - Each

Harmonic Balancer Bolt - 5/8-18 in Thread - 2.000 in Long - 15/16 in Hex Head - Steel - Black Oxide - Ford - Each

Harmonic Balancer Bolt - 3/4-16 in Thread - 2.175 in Long - 3/4 in 12 Point Head - Chromoly - Black Oxide - Mopar V10 - Each