This 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.

  • OE Replacement Parts
  • Engine Compatibility - Chevy Small And Big Block Crankshafts
  • Thread Size - 7/16 in.-20
  • Color - Black
  • Material - Steel
    ColorAs Shown

    Proform 66515 Harmonic Balancer Installation Tool, Steel - Black


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