Mazda 6 GG/GY Front UCA Set – Control Arm Upper Assembly Kit (80 duro/ShA), Standard Replacement, Includes Ball Joint – SKU TRC1057 The SuperPro TRC1057 front upper control arm kit is a ready-to-install upgrade that improves alignment and handling for Mazda 6 GG/GY. Features and Benefits Complete, fully assembled front upper control arm kit with pre-installed Hybrid SuperPro bushings and ball joint (SKU: TRC1057). Standard replacement that also serves as an upgrade for sharper alignment and improved vehicle handling. Eliminates OE-style rubber bushing compliance to maintain better steering geometry in all driving conditions. No unwanted NVH; engineered SuperPro bushings deliver longevity, durability and performance. Manufactured from a high strength material for robust, reliable performance. Designed as an easy, direct replacement and upgrade part. Designed, tested and engineered in Australia. SuperPro tip: replace both upper control arms together to maintain correct geometry.