PowerBond Harmonic Balancer - 8" - SB Chevy 400 - External Balance V2P2201 Designed for rectangular port heads

Designed for rectangular port heads

Use as a stand-alone cooler or as an auxiliary unit to increase cooling capacity of a stock system

1958-1958 Plymouth Custom

320 Includes Front Tubular Bar 36 mm/Rear Bar 25 mm - Bushings

PowerBond Harmonic Balancer - 8" - SB Chevy 400 - External Balance V2P2201 Designed for rectangular port headsMost standard harmonic balancers are assembled with inserted dampening rubber which won't handle the torque forces and higher revs the modern engines generate. This leads to spinning of the inertia ring resulting in loss of timing accuracy and eventual component separation. Often these balancers are made of relatively weak Grey cast iron which often cracks in the keyways and centre webbing. Even expensive all steel or alloy performance balancers from