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The ATI 7.074-inch steel crankshaft damper for Chevy big-block engines is a three-ring, one-piece damper configured with a Chevy front six-bolt pattern and provisions for blower drive plus a second 1/4-inch key. It combines front-bolt accessory compatibility with robust steel damping to support forced-induction and high-load big-block setups.
ATI Damper - 7.074in - Steel - Chevy BB - Chevy Front 6 Bolt - w/Blower - 2nd 1/4 Key - 3 Ring - 1Pc
