PowerBond Harmonic Balancer - 6.4" - SB Ford 302W EFI - 50 oz. - 4-Bolt - External Balance BR10004 Works with all 4-bolt LS

Works with all 4-bolt LS intake bolt patterns Throttle body applications:

OD - Offset Inlet - Single Center Outlet

Aluminum Remote Oil Thermostat

531" ID distributor shaft

4-1/8 in Outer Diameter

PowerBond Harmonic Balancer - 6.4" - SB Ford 302W EFI - 50 oz. - 4-Bolt - External Balance BR10004 Works with all 4-bolt LSMost 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