PowerBond Harmonic Balancer - 1990-Up SB Ford 351W - 28 oz. - 4-Bolt - External Balance RG20001M Durable zinc dichromate finish helps

Durable zinc dichromate finish helps resist rust and corrosion

The XR-3000 is CARB approved for use in all states

Cometic produces and ships more than 5

For 200 - 3

035 in to 0

PowerBond Harmonic Balancer - 1990-Up SB Ford 351W - 28 oz. - 4-Bolt - External Balance RG20001M Durable zinc dichromate finish helpsMost 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