Holden/Saturn Astra TS/AH Front LCA Set (80 duro/ShA) Control Arm Lower Assembly Kit - TRC1146 The SuperPro Front LCA Set TRC1146 is a fully assembled, standard replacement upgrade that improves alignment and handling. Supplied with uprated ball joint and proprietary SuperPro bushings for long-lasting performance without unwanted NVH. Features and Benefits Complete front lower control arm kit, fully assembled with special uprated ball joint and proprietary SuperPro bushings. Standard replacement and direct-fit upgrade; eliminates undesirable arm movement to maintain better steering geometry in all driving conditions. Optimized for longevity, durability and performance with no unwanted NVH. Advanced polyurethane bushings deliver material memory and abrasion resistance that outperform rubber. Manufactured from high strength material; designed, tested and engineered in Australia. SuperPro Tip: Replace both arms at the same time to maintain correct geometry and operation. Includes ball joint; 80 duro/ShA specification. Kit SKU: TRC1146. Built to meet SuperPro's high-quality requirements; engineered to outperform OE and competitor products.