American Offroad front upper control arms are designed to provide greater force and durability over OE with 1.5” diameter tube while correcting ball joint angle and castor for trucks lifted 2-4”. Replaceable heavy duty factory style fixed position greaseable ball joints and hardened rubber bushings provide a responsive ride feel. AOR front upper control arms are offered with 1 Year Warranty against manufacturing defects. AOR arms are sold in pairs.