Wrap-Up Next 0715-FD Shock Preload Booster +4mm (Red) Drift Motors & ESC Combo The response is improved by

The response is improved by using a slightly hard resin

a mounting arm has been added to the point that has changed significantly from Pawn A1

5 mm to improve durability while maintaining operating accuracy

All new trailing angle adjustable aluminum suspension arm for Drift Package

Wrap-Up Next 0715-FD Shock Preload Booster +4mm (Red) Drift Motors & ESC Combo The response is improved byIt 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