The ATI 7.48in aluminum crankshaft damper for 2009+ Dodge 5.7L and 6.4L Hemi truck applications provides an 8-groove pulley and three-ring construction in a 7.48-inch package. It's specified as a direct-fit damper for modern Hemi truck engines and is intended for use when an 8-rib accessory drive and the listed pulley diameter are required to maintain proper accessory speeds and crank control.
ATI Damper - 7.48in - Alum - 8 Grv - Dodge - 2009+ - 5.7L / 6.4L Hemi Truck - 3 Ring