SuperPro SPF3315K Rear Trailing Arm Rear Bushing KitSuperPro SPF3315K Rear Trailing Arm Rear Bushing Kit Control arm bushes stabilise the movement of the arms to ensure the correct geometry is maintained in all situations. Worn or rubber bushes in these locations lead to dynamic changes in wheel alignment that effect the handling of a vehicle as well as the tyre life. SuperPro Bushings solve this issue and are the perfect repair or repair upgrade solution. Warranty: Lifetime FITMENT Rear Trailing Arm