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

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

Tamiya 15347 Gear Bearing Set Mini 4WD Pro MS Chassis

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

Tamiya 15186 JR Plasma Dash Motor

Roller Angle Adjuster Plate Set Mini 4WD Grade Up Parts Series

FRP Reinforcing Plate Set Mini 4WD Grade Up Parts Series

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

GP317 Power Dash Motor (Mini 4WD)

GP424 Portable Pit (Mini 4WD)