Torsion Sway Bar Kit 2011-16 Ford F250/350 4x4 w/4.5 Inch Lift Carli SuspensionUnlike the rigid stock offering, the Carli Torsion Sway Bar allows a small amount of differentiation side to side before progressively engaging to add the needed control as leverage is applied, increasing ride comfort on the road or trail. Features and Benefits: The factory F250 F350 sway bar is nearly immobile. So, it's no surprise that it's the most neglected ride oriented component on the vehicle as people fail to look past the front coils and rear