Engine Fastener Kits

Harmonic Balancer Bolt - 7/16-20 in Thread - 2.500 in Long - 5/8 in Hex Head - Steel - Cadmium - Small Block Chevy - Each

Harmonic Balancer Bolt - 12 mm x 1.25 Thread - 2.625 in Long - 3/4 in 12 point Head - Steel - Black Oxide - Ford PowerStroke - Set of 4

Harmonic Balancer Bolt - 18 mm x 1.50 Thread - 2.75 in Long - 36 mm 12 point Head - Steel - Black Oxide - GM Duramax - 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 - 7/16-20 in Thread - 2.250 in Long - 5/8 in Hex Head - Steel - Cadmium - Small Block Chevy - 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 - 7/16-20 in Thread - 2.250 in Long - 5/8 in Hex Head - Steel - Black Oxide - Small Block Chevy - Each

Harmonic Balancer Bolt - 16 mm x 2.00 Thread - 5.165 in Long - 5/8 in 12 Point Head - Steel - Black Oxide - GM LS-Series / GM GenV LT-Series - 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 - Ultimate-Duty - 1/2-20 in - 1.500 in Long - 5/8 in 12 Point Head - Steel - Black Oxide - Big Block Chevy - Each

Harmonic Balancer Bolt - 7/16-20 in Thread - 2.250 in Long - 3/4 in Hex Head - Grade 8 - Steel - Black Oxide - Small Block Chevy - Each

Harmonic Balancer Bolt - 1/2-20 in Thread - 1.375 in Long - 3/4 in Hex head - Grade 8 - Steel - Cadmium - Big Block Chevy - Each