The patented ATI Super Damper is the only damper designed exclusively for high performance engines. This is the closest model to stock and is a 4% underdrive pulley, but can still be used with the stock belt and accessories with no negative effects.
Eliminates torsional crankshaft vibrations
Exceeds SFI 18.1 specs
Black zinc chromate finished
OEM equipment on 392 Mopar Crate Engines
Tunable, rebuildable, and extremely efficient at ALL RPM
Laser engraved 360° timing marks
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).