6.5 Inch Ford Y-Block Harmonic Balancer Internal Balance with Thunderbird Length Hub

6.75″ 455″ Oldsmobile Harmonic Balancer – Internal Balanced #502

$510.00 – $590.00

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.

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.

Flying Magnet Option

Clear

Double 1/4" Keyway Add On

Dual 1/4" Keyways (Requires a Blower/Super Duty Hub or BBC Crank Snout) Required the crankshaft to be machined for a second keyway 180* out from the original keyway. *Requires damper purchase. This is a labor option for new damper purchase only.

Add for $30.00

SKU: 501-1 Category: OLDS