Shock Preload Booster +4mm (MULTIPLE COLORS)-Wrap-Up Next shirts The official version comes with

The official version comes with a set of metal L-buckles (for Kyosho shells)

1/64 car body

- Trail is 0mm/+3mm/-3mm

(DR-CFC30) SHIBATA aluminum cooling fan cover (various colors)

while plug-in  the  gain wire

Shock Preload Booster +4mm (MULTIPLE COLORS)-Wrap-Up Next shirts The official version comes withIt has the same function as an up retainer and is used by installing it between the shock spacer spring and the adjustment dial or retainer. Suitable for applications such as when you want to increase the preload, raise the vehicle height, or raise the dial position that is too low. The size is +4mm also offered in a +6mm Available in 5 colors, perfect for a one point dress up. 2 pieces each