Rollmaster Red Series SFI 18.1 Harmonic Balancer - 6.200 in OD - Internal Balance - Small Block Ford IDI1300710051 Low SWR and broader band

Low SWR and broader band

lightweight ramps work for cars weighing up to 6

Differential piston bores compensate for leading-edge mechanical loading and temperature variances across the pad face to reduce pad taper wear in sustained high temperature applications

Available with patent pending multi-tether system to enhance side to side movement

They are patterned after the 1969-70 Ram Air IV Pontiac cylinder head

Rollmaster Red Series SFI 18.1 Harmonic Balancer - 6.200 in OD - Internal Balance - Small Block Ford IDI1300710051 Low SWR and broader bandProduct Description: Harmonic Balancer Red Series 6. 200 in OD SFI 18. 1 Steel Clear Powder Coat Internal Balance Small Block Ford Sold Individually Rollmaster and Romac designs and manufactures high strength timing sets and harmonic balancers respectively. By using billet strength steel these products are both stronger and lighter than standard cast iron pieces. The first step Rollmaster took in creating the world's best chain and sprocket timing