Tamiya #53696 TZ Super Stock Motor With the popularity of touring car racing, there has been a growing demand for high performance 23T stock motors. To meet these demands Tamiya introduces the Super Stock Motor TZ. Perfect for endurance racing and low speed tracks, the TZ features more torque and higher revolutions than the Type S Stock Motor. Features standard brushes, blue anodized end bell with brush dampers, terminal heat sink, detachable chip capacitor and can be disassembled for easy maintenance.