How to Remove an LS3 Harmonic Balancer or Vibration Damper You will need two special tools to remove and replace the stock LS3 harmonic balancer, we show what they are and how to use them.

First, go buy the right tool. Ours is the SP Tools 64900. It worked for our LS3 engine with the three-spoke damper and a Gen III Hemi, as well. It cost about $80. See All 6 Photos6 The next tool you ...

Obtaining perfect balance is important to your engine's performance. The harmonic balancer reduces torsional vibration of the crankshaft, which is the motion naturally generated during each power ...