PowerBond Harmonic Balancer - 1990-Up SB Ford 351W - 28 oz. - 4-Bolt - External Balance AK113112R 7/8 to 5/8 in Bore

7/8 to 5/8 in Bore

timing cover gaskets and seals

Provides excellent ring sealing

Weld on reducersPatriot Exhaust products continue to offer the best value for the dollar of any brand in the industry

033 - 10 Per Package

PowerBond Harmonic Balancer - 1990-Up SB Ford 351W - 28 oz. - 4-Bolt - External Balance AK113112R 7/8 to 5/8 in BoreMost 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