The Tamiya Super Stock Motor Type-TZ is a high performance 23T stock motors. Perfect for endurance racing & low speed tracks, the TZ features more torque & higher revolutions than the Type S Stock Motor. Features standard brushes, blue anodized end bell with brush dampers, terminal heat sink, detachable chip capacitor & can be disassembled for easy maintenance. Features. Number of turns. 23. Usable Voltage. 7.2v. Torque at best efficiency. 500g/cm (7.2v). RPM at best efficiency. 26, 500rpm (7.2v). Can be disassembled for maintenance. Blue anodized end bell with brush dampers. Features terminal heat sink & detachable chip capacitor. St&-up brushes All models are supplied un-assembled & unpainted, in their retail box.