This vintage O.S. MAX .15 R/C engine is perfect for model airplane enthusiasts. Made in Japan, it is compatible with 1:4, 1:5, and 1:6 scale models and runs on nitro or glow fuel. This 2-stroke engine is sold without a muffler and is geared towards experienced hobbyists aged 17 and up. Whether you're a collector or a builder, this O.S. MAX .15 R/C engine is a rare find. It's compatible with O.S. brand models and is sure to enhance the performance of your airplane. Don't miss out on the opportunity to own a piece of history.