ATI Super Damper 15% Underive Pulley 09-up Ram 5.7

The patented ATI Super Damper is the only crankshaft damper designed exclusively for high performance Chrysler, Dodge and Mopar Engines - including the new HEMI!
Whether you race or just drive on the street, ATI's harmonic balancers are the perfect choice.

• 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).

A shorter serpentine belt is needed when running this pulley. 2009-2012 Trucks need a 77.5" 6 Rib Belt, and 2013+ Trucks need a 71.5" 6 Rib Belt.