GP398 Two-tier Aluminum Roller Set (13-12mm) (Mini 4WD) Tamiya Grade Up Parts

Hex Hole Ball Bearing Set 4pcs. Mini 4WD Grade Up Parts Series by Tamiya

Tamiya 19mm Aluminum Roller w/Plastic Ring Mini 4WD Grade Up Parts Series

Grade Up Parts - GP459 AR Chassis Side Mass Damper Set (Mini 4WD)

GP317 Power Dash Motor (Mini 4WD)

Tamiya Ultra-dash Motor (Mini 4wd)

Tamiya 15186 JR Plasma Dash Motor

Grade Up Parts - GP456 AR Chassis Setting Gear Set (Mini 4WD)

19mm Alminum Ball-Race Rollers (Aero-Spoke Type) Mini 4WD Grade Up Parts Series

Mini 4WD REV Series No.06 Mini 4WD Starter Pack AR Speed Type (Aero Avante) 18706

GP401 Mass Damper Set(Heavy) (Mini 4WD) Tamiya Grade Up Parts