Professional Products PowerForce Harmonic Balancer - 7.300 in OD - Black - Internal Balance - Small Block Mopar 12-704-8 The more spring force exerted

The more spring force exerted on the retainer (as the valve opens)

Carrillo Connecting rods were founded by Fred Carrillo in 1963

Two 63 / 73 / 82 / 93

incremental adjustability

1970-1973 Chevrolet C30 Pickup

Professional Products PowerForce Harmonic Balancer - 7.300 in OD - Black - Internal Balance - Small Block Mopar 12-704-8 The more spring force exertedProduct Description: Harmonic Balancer PowerForce 7. 300 in OD External Steel Black Internal Balance Small Block Mopar 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,