SuperPro TRC6480 Geometry Correction Front Upper Control Arm Set - Fixed Offset, Lifted TrucksSuperPro TRC6480 Geometry Correction Front Upper Control Arm Set Fixed Offset, Lifted Trucks SuperPro's fixed offset geometry correcting upper control arm kits dial in your lifted truck without time consuming adjustments or trial and error. Our front upper control arms are designed with ideal camber and caster adjustment built into the design of the arms so they are a direct bolt on solution for your 2" 3" lift. Improved drivability enhanced steering