Zone Offroad offers an upgrade kit that includes replacement radius arms for your Super Duty. These arms can be installed on most 4" or 6" suspension lifts. The arms will bolt directly into the factory mounts and position the axle for the proper caster and wheel location.
Constructed of fully boxed 1/4" thick steel and utilizing large2-1/2" greasable urethane bushings. These radius arms are considerably stronger than the stock arms. The arms bolt directly into the factory mounts, and position the axle for the proper caster and wheel location.
The lower axle mount utilizes the Zone Offroad cam lock design, making it adjustable for 4" or 6" of lift. Installation will improve ground clearance and strength and they look good too!