STINGER ENGINES

Aeronautic engines; Air craft piston engine cylinder assemblies; Aircraft engines; Cylinder heads for engines; Cylinders for motors and engines; Engines, other than for land vehicles; Fuel and air mixture regulators being parts of internal combustion engines; Internal combustion engine parts, namely, pistons; Machine parts, namely, cylinders; Mufflers for motors and engines; Piston rings; Spark plugs; all of the foregoing are for model airplanes, model aerial vehicles, and model cars and trucks