This component replaces the stock trac bar on 97-2006 Jeep TJ's and Unlimited's, as well XJ and MJ. The Johnny Joint® Trac Arm is designed to center the front axle assembly under the vehicle after installation of a lift kit and/or the springs settle. It is adjustable in length made from 1 1/4" heavy wall D.O.M. tubing. It uses a 2 1/2" Johnny Joint® at the frame end, and features a heavy duty bushing at the housing end. Comes complete with zerk fitted grade 8 hardware and instructions for lifted TJs.