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Perfect for 3D, precision and sport flying! It's a fantastic way to ratchet up horsepower for more f..
As the replacement for the high-performance 46FX, it's no wonder that the .46 AX shares many of its ..
More muscle for .40 sized airplanes. Increase displacement in your 40-size model the easy way: just ..
A first-rate choice for trainers, sport planes and scale aircraft! Mounts in the same space as the ..
The new power source for .60 sized aircraft! Fits the same mount and bolt pattern as the 61FX. The ..
The power of a 95 – in the same size bolt pattern as the 75AX! The 95AX is another popular-siz..
The "mighty mite" of the O.S. gasoline airplane engine lineup. O.S.'s GT line of gasoline engines bo..
Gasoline power for your .90-1.20 aircraft. An investment in O.S. gasoline power quickly pays for its..
Second in the line of O.S. gasoline engines — but second to none in quality and performance! W..