This vintage Enya 29-IV B TV engine and throttle valve, with model number 5224- THE HAND LAPPED ENGINE-MADE IN JAPAN FOR MODEL RECTIFIER CORP OF NEW JERSEY (NO ZIPCODE IN ADDRESS), is a rare find for any airplane enthusiast. Made by MRC Model Rectifier Corp in the United States, this engine is compatible with both gasoline and nitro & glow fuel. The engine is unknown condition - I have no way to test-so it is being sold for parts. It's perfect for powering your radio control airplane and providing the necessary thrust for a smooth takeoff and flight. Don't miss out on the opportunity to own a piece of RC model vehicle history.