The ATI crankshaft damper is a 5.67-inch aluminum harmonic damper with six grooves, made for 2011+ Dodge 5.7L and 6.4L Hemi VVT engines. Specified with a 15% underdrive and supplied as a one-piece unit, it replaces the factory damper to alter pulley ratios while maintaining vibration control. Use it when servicing or adjusting accessory drive gearing on these Hemi variants.
ATI Damper - 5.67in - Alum - 6 Grv - Dodge - 2011+ - 15 Percent UD - 5.7L & 6.4L Hemi - VVT - 1Pc