RACE VERSION, NO alternator drive 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
Laser engraved 360° timing marks
Black zinc chromate finished
Inner and outer shells are available in aluminum or steel contain the steel inertia weight. The 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).