The Rugged Ridge Adjustable Rear Track Bar is the ideal solution to help re - center and restore proper tracking of the rear differential in 07 - 17 Wrangler JK models that have suspension lifts of 2.5 to 5.5 inches. Constructed of high - strength 1.25 - in. DOM steel tubing, each adjustable track bar utilizes the factory mounting locations and incorporates durable urethane bushings for superior deflection in off - road conditions. Features a semi - gloss black powder coated finish for years of reliable service. For rear track bar relocation bracket use 18303.81 and for front track bar use 18205.08.