Professional Products PowerForce Plus SFI 18.1 Harmonic Balancer - 8.000 in OD - Black - External Balance - Big Block Chevy AA0800AF1X57 1991-1995 Chevrolet K3500

1991-1995 Chevrolet K3500

600-2000 lb/in Spring Rate

1-1/4 in NPT Aluminum Fitting

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locking the cam position in place

Professional Products PowerForce Plus SFI 18.1 Harmonic Balancer - 8.000 in OD - Black - External Balance - Big Block Chevy AA0800AF1X57 1991-1995 Chevrolet K3500Product Description: Harmonic Balancer PowerForce Plus 8. 000 in OD SFI 18. 1 Steel Black External 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,