PowerBond Harmonic Balancer - 1990-Up SB Ford 351W - 28 oz. - 4-Bolt - External Balance Oliver Racing Products 1991-2000 GMC C3500HD

1991-2000 GMC C3500HD

1996-1999 Chevrolet Express 2500

Adult Sizes: S/M/L/XL/2X/3X Colors: Black

Superior anti-vapor lock properties

100% TIG welded

PowerBond Harmonic Balancer - 1990-Up SB Ford 351W - 28 oz. - 4-Bolt - External Balance Oliver Racing Products 1991-2000 GMC C3500HDMost 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