Reduce rear leaf spring axle wrap caused by tall lift blocks, high torque engines and oversized tires with Fabtech's heavy duty Traction Bars. These Traction Bars utilize a shackle design on one end to allow movement with the arc of the leaf spring travel. This provides a non binding, smooth highway ride yet still provides positive resistance to torque loads. Tubular construction with adjustable heims. Dimple die side plate for strength. Floating shackle at frame provide smooth highway ride. Controls rear leaf spring wrap from high torque engines.