Replaces the stock track bar on TJ and LJ with 4.5" - 7.5" of lift height. The track bar is designed to center the front axle after installation of a lift. It is adjustable in length. Made from 1-3/8" X 3/16" wall 4130 chromoly tubing and features a Super-Flex joint on one end for maximum articulation. 1/2" Hardware Included. Must be used with Extreme Duty Track Bar Bracket.