BMW Std Radius Arm Kit (80 duro/ShA) – Radius Arm Assembly Kit with Ball Joint – SKU: TRC0091 Refresh your BMW's front end with the SuperPro Radius Arm Assembly Kit, complete with bushings and a heavy-duty ball joint. SKU TRC0091 enhances steering precision with no added NVH. Features and Benefits Standard replacement front caster/radius arms using a SuperPro bushing and a heavy-duty ball joint. Bushings allow full articulation and movement without binding and with no increase in noise, vibration or harshness. Supaloy high strength, stress and corrosion resistant forged aluminium control arms. 38% lighter than OE with reduced arm flex for faster, more direct steering control. Improves alignment, lowers tyre wear and reduces maintenance. Designed, engineered and manufactured in Australia. Delivers more caster and camber; fitted with the SuperPro DuroBall rear bushing for maximum support, alignment and handling improvement. Maintains static wheel alignment even under demanding conditions. Designed and packaged to be replaced as a pair to avoid handling and braking issues from mismatched bushing materials. Part number: TRC0091.