GM/Chevy small block Gen III/IV LS Series V8 Chev Harmonic Balancer Install Tool Proform Parts PR66519
Product Information
These Proform harmonic balancer tools make installing the balancer simple; just thread the proper end into the crankshaft, and then rotate the nut pressing the bearing against the balancer. This in turn will slide the harmonic balancer onto the crankshaft smoothly
