They are designed to fit the front of a Dodge Ram 2500 3500 4x4 with 3.5 to 5" lift height. 2003 to 2009 Dodge Ram 2500/3500 4WD. This is for a set of 4, includes 2 uppers and 2 lowers. This is because as you lift the truck, the angle on the arms increases, pulling it back in the wheel well.