The ultimate .12 engine new model is now available in the SMJ kabuto engine series! The new T12 engine has been completely redesigned from the previous model, and features a DLC coated crankshaft with two tungsten weights, which contributes to increased torque at low and mid speeds. The new T12 engine also features an underhead with an O-ring to prevent dust from entering, and a large cooling head finished in a bold blue and black color to meet the toughest race conditions. Experience the great performance and power that far surpasses the previous model!