With over 70 years if ebgube expertise, O.S. knows how to stay in front of the competition. Designing and Engineering RC Aircraft Engines, Heli Engines, Car Engines as well as parts and accessories, O.S Engines are well built and undergo years of testing to ensure performance for your model.
Competitors come and go, but champions keep on winning. For rock-solid dependability and title-taking performance, there's only one choice in the long run: O.S.