Replacement aluminum upright through the set #350909. Aluminum rear uprights are especially designed for GT class and show the suspension system geometry ideal for both nitro and electric GT. The aluminum uprights offer increased security on-/off-power and further mounting with set screw for paid off play. Machined from premium Swiss 7075 T6 aluminum the uprights may also be more powerful and more dependable than standard composite ones. Set of 1. Fits left and right side.