Experience the quality and performance of the K&B 40 2-stroke engine, compatible with airplanes of 1:5, 1:6, and 1:8 scales. This vintage engine comes with a K&B muffler, perfect for enthusiasts who value both style and functionality. Its displacement of .40 makes it ideal for nitro and glow fuel, providing reliable power for your RC model vehicle. This K&B engine is a timeless classic and is perfect for hobbyists aged 17 and up. It is compatible with various brands and models, making it a versatile addition to your collection. Own this quality engine today and elevate your RC model vehicle experience.