Ultimate Racing MTS Engine

Ultimate Racing MTS Ceramic Competition Engine is a 3 port .21 Off-Road racing engine. Made by the prestigious Japanese O.S. Engines brand and based on their long stroke Spec II configuration, the MTS features a DLC coated crankshaft with two balanced tungsten, modified backplate, and 21J3 carburetor to improve performance. The MTS is a great choice for use in nitro truggy applications and nitro buggy when maximum power is needed. The MTS provides amazing power and great fuel consumption, with exceptional low to mid-range torque and a great idling. The "Team Edition" concept uses the standard Ultimate Racing Ceramic Competition Engines, but the engines are assembled directly in our factory, completely broken-in and then thoroughly checked by our competition team to extract 100% of the performance. There are many manufacturers that offer pre-break-in services performed on benches with propellers. The problem is that this method only works as a pre-break-in.  It is still necessary to con