American Offroad rear adjustable heavy duty track bar is designed to allow the rear axle to travel up and down smoothly. It also brings the rear axle back to center after lifting the vehicle. The track bar is a must for all lifted vehicle 2" and above. Hardened rubber, spherical bearing and non-slip locking color provide a reliable and smooth ride. AOR rear trackbar is offered with 1 Year Warranty against manufacturing defects.