Home / General / GT500 4Stroke AirFrame GT500 4Stroke AirFrame$26,495.00 Out of stock SKU: AC-GT500 4S AF Category: General Description Description GT500 4 Stroke Airframe. Airframe suitable for engines above 70 HP Complete rolling airframe with your color choice of fabric. Anything associated with the engine and it’s mounting is not included. No electrical system or components. Does include listed fuel tank. Airframe only. Does not include engine, engine mounts, prop or instruments.