6.75" 455" Oldsmobile Harmonic Balancer - Internal Balanced

The dampers for the Oldsmobile 455 engines feature an OEM 4-bolt pulley pattern and male pulley register. The dampers have OEM offset. The #502 damper is designed for use with an afermarket crankshaft that has been internally balanced.

• Exceeds SFI 18.1 standards and is marked on front with SFI Sticker, and on the rear with SFI number stamped into unit.