CISON FL4-175 17.5cc Flathead Inline 4 cylinder 4 Stroke Gasoline RC Engine

PRESALE!!! Orders will be shipped in mid-March! Features:Exquisite mini shape:FL4-175 engine has a unique compact appearance, simple but reliable structure, small size but large displacement. A collision of retro classics with modern machinery, it will work impressively.Long stroke, high torque:The side valve structure is adopted, the center of gravity is lower, and the weight is lighter. Taking the long stroke as the design basis, it effectively provides higher torque output.Responsive and powerful:Metal stainless steel one-piece printed intake and exhaust pipes, independent single carburetor design, easy to adjust, more sensitive throttle response, and low and powerful sound.Effective and long-lasting work:The external oil pump is used to supply oil to the crankshaft splash, and the independent lubrication effect is better. It is recommended to use a micro oil filter element. With water circulation cooling, the engine runs longer and has a longer service life.Well-made:The main body