Replaces the stock rear track bar on 2 and 4 door Jeep Wrangler JK's with lift heights of 3.5-inches or more. The rear track bar is adjustable in length and designed with a double bend specifically for the JK to give maximum clearance between suspension components. This allows precise centering of the rear axle after installation of a suspension lift. The RE1690 is made from 1 3/8 X 3/16" wall 4130 chromoly. It is designed to clear many after-market axle housings including the Dana 44,60 and Ford 9