The Zone Offroad 4.5-inch replacement radius arm box kit for 2013 Ram models is a boxed component set intended to replace or upgrade the radius arm mounting boxes while providing a 4.5in lift. It supplies the radius arm box assemblies needed to restore proper arm geometry and ride height on 2013 Ram trucks when used with the corresponding lift configuration.

Zone Offroad 2013 Ram 4.5in Replacement Radius Arm Box Kit