Harmonic Balancer Bolt - 12 mm x 1.50 Thread - 1.800 in Long - 18 mm 12 Point Head - Chromoly - Black Oxide - Ford Modular - Each

Harmonic Balancer Bolt - 12 mm x 1.50 Thread - 4.200 in Long - 19 mm 12 Point Head - Chromoly - Black Oxide - Ford Coyote - Each

Harmonic Balancer Bolt - 14 mm x 1.50 Thread - 4.000 in Long - 19 mm 12 Point Head - Chromoly - Black Oxide - Mopar Gen III Hemi - Each

Harmonic Balancer Bolt - 12 mm x 1.25 Thread - 1.425 in Long - 14 mm 12 Point Head - Chromoly - Black Oxide - Dodge Cummins - Set of 4

Harmonic Balancer Bolt - 12 mm x 1.25 Thread - 1.725 in Long - 14 mm 12 Point Head - Chromoly - Black Oxide - Dodge Cummins - Set of 4

Harmonic Balancer Bolt - 12 mm x 1.25 Thread - 2.425 in Long - 19 mm 12 Point Head - Chromoly - Black Oxide - Ford Powerstroke - Set of 4