Up for sale is an O.S. Max 25F SR RC 2 Stroke Glow Engine, perfect for your vintage airplane RC project. This engine is compatible with nitro and glow fuel, and has a 1:5 scale. The brand is O.S. Max, and the type is a 2-stroke engine. It is in excellent working condition and ready to power up your plane.

This O.S. Max 25F SR engine is a great addition to any RC enthusiast's collection. It is compatible with airplanes and has been well-maintained, ensuring its excellent working condition. Don't miss out on the opportunity to add this vintage engine to your collection.