Surpass Series

O.S. developed the Surpass Series of 4-stroke engines for discerning fliers who demand more power. Able to swing larger props and supply more usable horsepower, Surpass 4-strokes provide the best performance for your plane, regardless of scale or flying style.

All Surpass engines feature a helix gear-driven camshaft on the front end and dependable updraft carburetor in the back. All include glow plug and standard [...]

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