21mm Ball Joint Control Arm Lower Assembly Kit – Ford Focus LS/LT/LV, Volvo S40/V50 & C70 – TRC1136 TRC1136 is a complete, easy-to-install front lower control arm kit delivering enhanced handling, alignment stability, and a true upgrade over factory arms. Features and Benefits Complete front lower control arm kit with 21mm ball joint; supplied fully assembled for a straightforward repair and upgrade. Includes special uprated ball joint and proprietary SuperPro bushings for improved durability and performance. High-strength arm construction; optimised for longevity, durability, and consistent handling. Eliminates OE-style rubber bushing to reduce undesirable arm movement and maintain better steering geometry and alignment in all driving conditions. No unwanted NVH; designed as an easy direct replacement that enhances vehicle handling and performance. Fitment: Ford Focus LS/LT/LV; Volvo S40/V50 & C70. Designed, tested and engineered in Australia. SuperPro tip: Replace both arms at the same time to maintain correct geometry and vehicle operation. Part number (SKU): TRC1136.