These premium springs are made using high-quality spring steel to assure a smooth stable ride that will last for years. They will also help lift that sagging rear end. This spring is the more heavy-duty of the 2 stock applications. May raise car above original stock height depending on the vehicle's total weight. This is especially true on early model 6cyl cars. Features O.E.M. style clamps, correct "hot cupped" ends, anti-squeak pads, front eye bushing installed, and O.E.M. 4 leaf design, Sold individually