6.75″ 455″ Oldsmobile Harmonic Balancer #501


The dampers for the Oldsmobile 455 engines feature an OEM 4-bolt pulley pattern and male pulley register. The dampers have OEM offset. The #501 damper is designed for use with the OEM external balanced crankshaft. The damper may be used with an internal balance crankshaft by removal of the bolted on counter weight.

  • Outer Diameter: 6.75″
  • Weight: 7.4 lbs
  • Exceeds SFI 18.1 standards and is marked on front with SFI Sticker, and on the rear with SFI number stamped into unit.

2 in stock

SKU: 501 Category: