Blower Pulley Suit GM LSA ATI Balancer ATI918854, 8-Groove, 7.99" O.D - OEM Stock Size

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