ATI crankshaft damper, 7.074 inches diameter, steel construction for Buick V8 430–455 with external balance and specified as a 3-ring unit. The description indicates this damper matches externally balanced Buick big-block crankshafts. Use this steel ATI damper for engine builds or replacements requiring external balance compatibility on the listed Buick V8s.
ATI Damper - 7.074in - Steel - Buick V8 430-455 - Ext Bal - 3 Ring