Professional Products PowerForce Plus Lightweight SFI 18.1 Harmonic Balancer - 6.000 in OD - Black - Internal Balance - Small Block Chevy SP105BK 5/16 in SAE Female Quick

5/16 in SAE Female Quick Disconnect to 6 AN Male

high recommended)

1310 u/joint size

Plastigage

FEL-PRO the gaskets professionals trust

Professional Products PowerForce Plus Lightweight SFI 18.1 Harmonic Balancer - 6.000 in OD - Black - Internal Balance - Small Block Chevy SP105BK 5/16 in SAE Female QuickProduct Description: Harmonic Balancer PowerForce Plus Lightweight 6. 000 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.