Super Damper Harmonic Balancer 7.425" Dia. SFI Approved
Suit 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