6.75" SBF Race Balancer - Internal Balance

6.75″ 455″ Oldsmobile Race Damper #503

Price range: $528.00 through $611.00

The #503 race dampers for the Oldsmobile 455 engines feature an BBC 6-bolt pulley pattern and female 2.275″ BBC pulley register (An adapter to convert to an Olds male pulley register is available under part #503-10). The #503 race 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 $35.00

Oldsmobile Race Pulley Adapter #503-10

This BBC to Olds Pulley Register Adapter will adapt from a Female BBC pulley register to a Male 2.300" Olds pulley register.

Add for $30.00

SKU: N/A Category: 1968-1976 Oldsmobile 455