Wrap-Up Next 0721-FD Shock Preload Booster +6mm (Purple)

It 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 sizes are +4mm and +6mm.

Available in 5 colors, perfect for a one-point dress-up. 2 pieces each