2017-20 Ford F250/F350 4WD. Fabtech's heavy duty adjustable Track Bar provides the ability to center the front axle under the vehicle with various lift heights. By centering the axle under the vehicle it provides proper tracking of the axles front to rear. The Track Bar can be adjusted on the vehicle in small increments to dial in the center position for various suspension lift heights from stock to 6 inches. 0 - 6in Adjustable Track Bar.