SKU: ATI917242BRAND: ATI PerformanceSuper Damper 7.425″ Dia. SFI ApprovedSuit GM LS Series LS1 F-Body & LS1/LS2 04-06 GTO, OEM Diameter With A/C Pulley The patented ATI Super Damper is the only damper designed exclusively for high performance engines. Eliminates torsional crankshaft vibrations Exceeds SFI 18.1 specs Black zinc chromate finished Tunable, rebuildable, and extremely efficient at ALL RPM Laser engraved 360° timing marks
