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

Designed for rectangular port heads

The 15x7 wheels are stamped DOT approved for off-highway use

M-6303-M52 Forged Steel Cross-Plane Crankshaft

1976-1979 Pontiac Grand LeMans

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