Tamiya Hop-Up Options 22057 XV-02 Front Carbon Damper StayThis Hop Up Option is for use with the XV 02 chassis. Its a lightweight, rigid 3. 5mm thickness carbon fiber damper stay (shock tower), which gives more setup options compared to the standard plastic damper stay. Carbon Damper Stay (Front) x1 5mm Ball Connectors x4 3x10mm Hex Head Screws x4 5. 5x2. 0mm Spacers x2 Gives more setup options with three damper attachment positions for the front. Compatible with XV 02 chassis cars.