PowerBond Street Harmonic Balancer - 7.960 in OD - Black Paint - External Balance - Big Block Chevy 3550224-123-XXL The module makes it easy

The module makes it easy for racers to quickly and simply make last second changes to the launch rpm

custom application filler neck is required

Molded-In 1/4" - 20 threaded mounting inserts

Made from our durable polycarbonate material

Dimensions: 6"T x 4

PowerBond Street Harmonic Balancer - 7.960 in OD - Black Paint - External Balance - Big Block Chevy 3550224-123-XXL The module makes it easyProduct Description: Harmonic Balancer Street 7. 960 in OD Steel Black Paint External Balance Big Block Chevy Sold Individually PowerBond produces steel harmonic balancers that are designed to outperform conventional harmonic balancers without the weight penalty of many competitive balancers.