XRAY XB9 Graphite Lower Arm Plates • Optional graphite lower arm plate • Allows for stiffer the arms • Makes the car more stable and easier to drive under high-grip conditions • Easy mount/dismount on arms with 4 screws • Easily changes the hardness of the whole suspension Optional graphite lower arm plates allow for stiffer the arms and makes the car more stable and easier to drive under high-grip conditions. The plates can be easily mounted/dismounted on the arms with 4 screws, and easily change the hardness of the whole suspension. #352191 XB9 Graphite Front Lower Arm Plate 1.6mm (2) #353191 XB9 Graphite Rear Lower Arm Plate 1.6mm (2)