The AEV Rear Track Bar Tower Kit greatly improves on road handling and ride quality. For use with 3-4" Lifts by correcting the roll center height of the rear suspension. This kit includes a custom bent OE trackbar to clear the exhaust while retaining the quality of the OE bushings. AEV's Rear Trackbar Kit is included in all our 3.5" and 4.5" suspensions, but can also be added on to suspensions in the 3.5"-4.5" range from other manufacturers. Minimum of 3.0" of jounce bump spacing is required.