SuperPro Control Arm Assembly Kit (80 duro/ShA) with Ball Joint - TRC1017 Boost handling precision and long-term durability with the TRC1017 Control Arm Assembly Kit featuring pre-installed SuperPro bushings and a heavy-duty ball joint. Features and Benefits Complete control arm assembly kit TRC1017 with heavy-duty ball joint included. Utilises pre-installed Hybrid SuperPro bushings; manufactured from high-strength material. Eliminates OE-style rubber bushings for enhanced longevity, durability and performance. No unwanted NVH; maintains better steering geometry and alignment in all driving conditions. Easy direct replacement and upgrade; designed, tested and engineered in Australia. Enhances your vehicle's handling and performance. SuperPro Tip: Replace both arms at the same time to maintain correct geometry and operation.