Professional Products PowerForce Plus SFI 18.1 Harmonic Balancer - 8.000 in OD - Black - Internal Balance - Big Block Chevy RST-012R-RS Head and Neck device

Head and Neck device

It is engineered to allow the right wheel to differentiate while keeping 100% traction on the left wheel

LED light on module comes on whenever retard is commanded

Do not use rotator type valve springs or retainers for this application

Bare Steering Wheel ONLY

Professional Products PowerForce Plus SFI 18.1 Harmonic Balancer - 8.000 in OD - Black - Internal Balance - Big Block Chevy RST-012R-RS Head and Neck deviceProduct Description: Harmonic Balancer PowerForce Plus 8. 000 in OD SFI 18. 1 Steel Black Internal Balance Big 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,