PRO/RACE Pro Street Harmonic Balancer - 8.0" OD - Iron - Internal Balance - Small Block Chevy Isolator Bushing from the initial design

from the initial design

Duration 265 / 271

Supercharged Super Damper

and includes new bearing races

Powerball Mini

PRO/RACE Pro Street Harmonic Balancer - 8.0" OD - Iron - Internal Balance - Small Block Chevy Isolator Bushing from the initial designProduct Description: Harmonic Balancer Pro Street 8. 0 in OD Iron Natural Internal Balance Small Block Chevy Sold Individually Founded by renowned Australian drag racer Graham Withers , Pro Race Performance has produced performance engine components for more than 35 years. Pro Race is recognized for their All Steel line of crankshaft dampers, initially offered for the Holden 308 V8, and now offers high performance racing dampers for a wide range of