For Ford F-250 2005 2006 2007 4WD Super Duty. For Ford F-350 2005 2006 2007 4WD Super Duty. For Ford F-250 2005 2006 2007 4WD. For Ford F-350 2005 2006 2007 4WD. Enhanced Performance: With its solid steel construction, this kit has excellent durability and strength to withstand heavy-duty use.