Professional Products PowerForce Plus SFI 18.1 Harmonic Balancer - 6.400 in OD - Black - 50 oz External Balance - Small Block Ford JM-D-F-STX Prevents main spring from becoming

Prevents main spring from becoming loose at full drop

Wilwood Pad Set BP-20 6812-20 DynaPro Single (

Manufactured from chrome silicon high-tensile spring wire

Machined And Powder Coated 11 Gauge Aluminum Brackets

GMT 800 style brakes are required for this installation - see instructions for details

Professional Products PowerForce Plus SFI 18.1 Harmonic Balancer - 6.400 in OD - Black - 50 oz External Balance - Small Block Ford JM-D-F-STX Prevents main spring from becomingProduct Description: Harmonic Balancer PowerForce Plus 6. 400 in OD SFI 18. 1 Steel Black 50 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