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)