Fabtech 6" Radius Arm Kit for Ford F450 F550 Super Duty Suspension Upgrade

Fabtech 6" Radius Arm Kit for Ford F450 / F550 Super Duty Suspension Upgrade Upgrade strength, geometry, and ride quality — the Fabtech 6" Radius Arm Kit is engineered specifically for Ford F450 and F550 Super Duty trucks. Built for heavy-duty on- and off-road use, this complete suspension replacement delivers durability and the clearance needed for oversized tires without sacrificing handling. Key Features Purpose-built radius arms — tubular construction with dimple-die side plates for superior strength; offset design preserves full turning radius on Dana Super 60 axles. Optimized caster — 1° built-in caster with adjustable alignment cams for an additional 1.5–2° of caster correction. Premium coil springs — American-made, preset coils for consistent ride height and a compliant on/off-road ride; provides up to 2" additional wheel travel when paired with Fabtech shocks. Reinforced track bar bracket — 1/4" steel box-style bracket centers the axle and resists deflection through full travel. Dropped pitman arm — forged steel construction, exceeding factory specs and tuned for F450/F550 geometry. Proven design — over a decade of use across consumer, commercial, and military applications. Why Choose Fabtech Every component is engineered to maintain proper suspension geometry under increased lift and load. If you demand reliability, greater tire clearance, and predictable handling for heavy-duty tasks, this kit is a direct-fit, purpose-engineered solution for Ford Super Duty F450 and F550 models.