All-new design double-shaft high torque motor made for usage with Mini 4WD professional series racers. Engine decreases power loss and offers high rate operating furthermore on slopes and curves. Either end of this double-shaft features push on healthier metal pinion gears for efficient energy transmission. This engine may be employed in formal Tamiya Mini 4WD occasions. *Compatible framework: Mini 4WD PRO show framework (never ever befitting Dangun or non- PRO show racers)