Professional Products PowerForce Plus SFI 18.1 Harmonic Balancer - 6.750 in OD - Black - Internal Balance - Small Block Chevy SFIDRKSAH 4bbl manifold (except spread- bore

4bbl manifold (except spread- bore applications)

CM 25-100 Series

FuelTech ECU

Red (Medium) spring rubber

Turbo Hydramatic 400

Professional Products PowerForce Plus SFI 18.1 Harmonic Balancer - 6.750 in OD - Black - Internal Balance - Small Block Chevy SFIDRKSAH 4bbl manifold (except spread- boreProduct Description: Harmonic Balancer PowerForce Plus 6. 750 in OD SFI 18. 1 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