-Spring rate can be changed at the time of order with no additional cost (depending on the spring rate, damping force may need to be changed with extra cost).
-Damping force can be changed at the time of order. (Additional charge ¥25,000 ~ /set)
Damper KIT contents: Damper, main spring, rear helper spring, spring upper seat, spring lower seat, lock seat, dust boot, car height adjustment wrench, damping force adjustment wrench, instruction manual.