Professional Products PowerForce Plus SFI 18.1 Harmonic Balancer - 6.400 in OD - Black - 28 oz External Balance - Small Block Ford 31-335-4 No more Heim binding

No more Heim binding

but with Wave Loc shank design

engineered-from-scratch rear system

High rise/ dual plane design Idle-6800 RPM power band No EGR provision Square flange carburetor mounting Lunati camshaft and lifter kit available under P/N 06002LK Carburetor Recommendations: 0-80145 (600 CFM)

Braille B2015 / B2015C Aluminum Mount Kit

Professional Products PowerForce Plus SFI 18.1 Harmonic Balancer - 6.400 in OD - Black - 28 oz External Balance - Small Block Ford 31-335-4 No more Heim bindingProduct Description: Harmonic Balancer PowerForce Plus 6. 400 in OD SFI 18. 1 Steel Black 28 oz External Balance Small Block Ford 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