Toughen up the journey of yours. Increases the articulation of the front suspension and also boosts handling. Replaces the larger radius arm bushing with competition grade spherical bearings within each link. More difficult surface area minimizes deflection to improve the truck of yours. Program. ICON four Link System comes as a comprehensive set and built in the USA. The ICON of yours 4 Link System is supported by a tight Lifetime Warranty 2008 Ford F 350 ICON 4 Link System...