ATI Shelby GT500 Stock Diameter Balancer

**Recommended upgrade for the first 2007 models with the heavy factory dampener** 

The patented ATI Super Damper is the only damper designed exclusively for high performance Ford engines.

• Eliminates torsional crankshaft vibrations

• Exceeds SFI 18.1 specs

• Laser engraved 360* timing marks

• Black zinc chromate finished

• Inner and outer shells are available in aluminum or steel, and contain a steel inertia weight. 

• This inertia weight has six (2-ring design) or eight (3-ring design) computer machined grooves to retain the proper durometer O-rings (dyno tested for each application).