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The ATI crankshaft damper is a 6.78-inch aluminum three-ring damper with a 6-groove profile for LS1/LS2/LS3/LS6 engines (1997–2013) in Y‑body cars, specified as no‑A/C on select fits and compatible with CT525/LSX454R crate engines. It balances lightweight inertia reduction with ringed damping and supports crate engine installations where that hub style is required.
ATI Damper - 6.78in - AL - 6 Grv - LS1/2/3/6 - 97-13 Y Body - No A/C - CT525/LSX454R Crate - 3 Ring
