Superlift's 8" Lift Kit with replacement radius arms for 2011-2015 Ford F-250/350 4WD Pickups features set of massive, high clearance, precision engineered, tubular radius arms designed to bolt right into the factory mounts giving your ride a truly custom look and an easy install. These heavy duty radius arms utilize a press fit Cleveite rubber bushing for superior vibration damping and durability. The 8" lift also contains new, engine specific rated, coil springs that works in conjunction with our track bar relocation bracket and dropped pitman arm to ensure proper steering geometry and track bar phasing. Like all Superlift lift kits, the 8" Replacement Radius Arm Lift Kit for 2011-2015 Ford F250/350 4WD is backed by our Limited Lifetime Warranty and Satisfaction Guarantee. NOTE: If equipped with a two-piece driveshaft, also order carrier bearing drop bracket part number 9695.