Control Arm Kit (80 duro/ShA) Radius Arm Assembly Kit Includes Ball Joint — TRC1021 The SuperPro alloy Control Arm Kit TRC1021 delivers lightweight strength, sharp handling, and long-term durability with SuperPro bushings and a heavy duty ball joint. Features and Benefits Part number: TRC1021 Utilises SuperPro bushings and includes a heavy duty ball joint; manufactured from a high strength, lightweight alloy. Eliminates O.E. rubber bushings for longevity, durability and performance, without any unwanted NVH. Reduces arm flex for faster, more direct steering; maintains better steering geometry in all driving conditions. Supaloy forged aluminium: high strength, stress and corrosion resistant; 38% lighter than OE. Delivers more caster and camber, better alignment and lower tyre wear with less maintenance. Fitted with the SuperPro DuroBall rear bushing for maximum support, alignment and handling improvement. More rigid and less likely to flex than an OEM steel arm, maintaining static wheel alignment under demanding circumstances. Built for precision performance, providing sharper steering, more driver confidence and increased vehicle safety. Designed, engineered and manufactured in Australia. SuperPro Tip: SuperPro strongly advises that both arms should always be replaced at the same time to maintain the correct geometry and operation of the vehicle.