Professional Products PowerForce Lightweight Harmonic Balancer - 6.000 in OD - Black - Internal Balance - Small Block Chevy ICT551778LS0-3 Using a single strap on

Using a single strap on an oversized

2500 / 5800 RPM

AFR Emissions Legal (versions from 1969-94 with heat riser

Sport Comp II

Professional Products PowerForce Lightweight Harmonic Balancer - 6.000 in OD - Black - Internal Balance - Small Block Chevy ICT551778LS0-3 Using a single strap onProduct Description: Harmonic Balancer PowerForce Lightweight 6. 000 in OD Steel Black Internal Balance Small Block Chevy Sold Individually The year was 1972, as newly imported automotive brands from Europe and Japan were gaining popularity; the founders of Professional Products entered the racing industry as part of Brock Racing Enterprises. The performance and styling parts company was an off shoot of the Datsun (Nissan) Racing Team. Prior to this,