Ultimate M-4R Tuned 3.5cc off-road engine
Modelix Racing introduce the new M-4R Tuned nitro off-road engine which was developed by the Modelix research & development team with the input of international top level drivers such as Yannick Aigoin, Miguel Matias and Robert Batlle. Produced by Novarossi the 4-port engine features a tuned crankshaft and it is meant to be the most powerful and speedy off-road engine so far in the Ultimate range of engines, offering exceptional power through the whole powerband.
Source: Modelix Racing [modelixracing.com]