The category is Petrol Engines: Model Petrol engines (British English) or gasoline engine (American English) is an internal miniaturised combustion engine with spark-ignition, designed to run on petrol (gasoline) and similar volatile fuels within scaled models like boats, cars and aircraft.
Parent categories: Gifts, Sports, Toys, Hobbies, Models & Manufacturing
Related categories: Electrical Components, Equipment & Telecoms