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The ATI 7.074-inch aluminum lightweight harmonic damper for Chevy big-block engines features a three-ring design and an aluminum hub to manage crankshaft vibration while keeping rotating mass low. It offers a compact, engine-specific damping solution that preserves accessory alignment and is intended as a direct replacement where an aluminum-shell, lightweight damper is required for Chevy BB platforms.
ATI Damper - 7.074in - Alum LW - Chevy BB - 3 Ring - Alum Hub
