GM Harmonic Balancer Bolt, also known as a Crankshaft Damper Bolt. 16mm x 2.0. Fits all GM Gen 3 and 4 LS Series V8 Engines with Wet Sump Oiling Systems.
Chevrolet Performance harmonic balancer bolts are made of high-quality steel and are heat-treated for extra strength. They feature a hex head to prevent socket slippage when loosening or tightening. Stock crank bolts are torque to yield and should always be replaced once removed.
