RSO Suspension Tubular Upper Control Arms are a must have for your offroad vehicle. Black E-Coat finish, sealed hardened rubber bushings, dust caps and high angle dual lip rubber boots ensure greater corrosion and weather resistant than factory arms can achieve. These heavy-duty arms are constructed from fully gusseted 1 1/2-inch tubular steel and use heat-treated chromoly ball joints and sealed bushings to power through the harshest terrain. Designed and CNC bent to increase wheel travel, correct suspension geometry, and allow larger coil overs while preventing binding throughout the articulation range. Direct bolt on designs utilizes factory style brake line and ABS mounts with all hardware required for a quick installation. With a limited lifetime manufacture warranty on the structure, 5-year warranty on components and 1 year warranty on finish and coating the RSO tubular upper control arms are the next great upgrade for your lifted truck.