The MAXX Cam 3 Leveling kit fits the 2011 and newer GM ¾ and 1-ton HD trucks. With its multi-selectable ride height design, the MAXX Cam 3 can lift the front end of your new HD truck up to 2.5 or even lower it 2.5, with virtually no loss of ride quality! This kit includes a shock relocation and differential lowering kit for trouble free installation and operation. 100% American made. Covered under the MAXX Warranty. Torsion Bar Unloading tool required for installation (not included).