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The ATI 7.074-inch steel crankshaft damper for Chevy big-block engines features a three-ring design with an undersize hub. That undersize hub allows fitment flexibility for engines requiring hub machining or custom installation. The one-piece steel construction keeps the rotating assembly stable and helps preserve precise timing under load.
ATI Damper - 7.074in - Steel - Chevy BB - 3 Ring - Undersize Hub - 1Pc
