PowerBond Race Harmonic Balancer - SB Chevy - 7" Diameter - Internal Balance RS200120 valves 12 wheel adapters 1

valves 12 wheel adapters 1 setting tool 1 inflation adapter Carrying case

downward float movement causes the needle to open the seat

It has a 500 lbs/in rate and a 575 lbs open load for increased RPM and improved dynamics

1970-1971 Dodge Challenger R/T CID 383 Naturally Aspirated GAS

differential

PowerBond Race Harmonic Balancer - SB Chevy - 7" Diameter - Internal Balance RS200120 valves 12 wheel adapters 1The POWERBOND RACE series brings the advantages of bonded balancers to high revving race and street race applications where an SFI approval is required. Every POWERBOND RACE series balancer features a precision CNC machined AUS 1045 steel centre bonded to an equally strong steel inertia ring. Advanced design means that race series balancers are very light for an all steel product. An most cases they are only marginally heavier than the original cast