HD Adjustable Rear Upper Trailing Arm Set - 200 Series LC (80 duro/ShA) - TRC1141 TRC1141 is an off-car adjustable rear upper trailing arm kit for the 200 Series LC, engineered to correct pinion angle on lifted vehicles. Built as an upgrade—not just a repair—for improved on- and off-road performance. Features and Benefits Off-car adjustable design for precise pinion angle correction on lifted 200 Series vehicles. Heavy-duty construction and precision engineering for durability off-road and confidence on-road. Supplied as a complete kit, fully assembled with pre-installed SuperPro bushings. Reduces undesirable arm movement to maintain correct steering geometry and alignment in all conditions. Developed and tested in Australia; a true upgrade over factory arms. For best results, replace both arms at the same time to maintain correct geometry and operation. SKU: TRC1141.