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

Tamiya 15186 JR Plasma Dash Motor

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

GP317 Power Dash Motor (Mini 4WD)

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

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

Tamiya Ultra-dash Motor (Mini 4wd)

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

TAMIYA 15477 JR Hyper-Dash 3 Motor

GP435 First Try parts Set (Mini 4WD)

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