Professional Products PowerForce Plus SFI 18.1 Harmonic Balancer - 6.750 in OD - Black - External Balance - Small Block Chevy 28808 which is why Wiseco rings

which is why Wiseco rings are developed and tested for race-ready performance

Mounting hole diameter: 5/8"

The powder coated

Adjustable Pro Coil System Features:

Professional Products PowerForce Plus SFI 18.1 Harmonic Balancer - 6.750 in OD - Black - External Balance - Small Block Chevy 28808 which is why Wiseco ringsProduct Description: Harmonic Balancer PowerForce Plus 6. 750 in OD SFI 18. 1 Steel Black External 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