Ultimate Racing MXS Engine

 Ultimate Racing MXS Ceramic Competition Engine is a 3 port .21 Off-Road racing engine. Made by the prestigious Japanese O.S. Engines brand and it's based on their square stroke Speed B21 Ty Tessmann II edition engine but has some modifications on the crankshaft as well as on the back plate to improve performance. This engine has more power and returns to idle very quick and smooth. With this engine you will have a really good power band with a ton of usable power. It has a smooth bottom end which works well on the bumpy track conditions and then has a lot of mid-range pop and feel to it. It is one of the best idling engines on the market. This engine is recommended for 1/8 nitro buggies. 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-brea