Small block Chevy, 6-1/4" O.D., internal balance damper incorporates centering technology, which is used to control torsional vibrations above 6,000 RPM in race engines. Patent-pending technology, which allows the inertia ring to remain centered in the housing cavity when the damper is at rest, also allows the crankshaft to be balanced with the balancer installed on the crankshaft. Well suited to drag or circle track racing, damper is SFI approved and includes a bright, gold zinc chromate finish.
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