PowerBond Harmonic Balancer - 8" - SB Chevy 400 - External Balance SPBXS3 Works on both 4 volt

Works on both 4 volt and 2 volt cast iron Cleveland heads

SIMPLE INSTALLATION

Attractive finned aluminum housing helps dissipate heat

Weathertight Sealed Connector

PowerBond Harmonic Balancer - 8" - SB Chevy 400 - External Balance SPBXS3 Works on both 4 voltMost 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