ACDelco 18A1324AC Disc Brake Rotor. Fits what vehicles: 2002-2010 Dodge Ram 1500, 2004-2009 Dodge Durango, 2007-2009 Chrysler Aspen, 2011-2018 Ram 1500, 2019-2023 Ram 1500 Classic. They are also ready to be installed right out of the box with no machining required.