Water Cooled Four Stroke Gasoline Model Engine Kit FS-S100G $781.99 View Product Categories: Hobby, Stirlingkit Description Description Water-cooled Four Stroke Gasoline Model Engine Kit – FS-S100G(w) Related products Hobby, StirlingkitSingle Cylinder Model Kit External Combustion Engine $32.99 Hobby, StirlingkitPolished Engine Model Aluminum Single Cylinder Kit $68.99 Hobby, StirlingkitSingle Cylinder Engine Model Kit Metal Alcohol Lamp Colorful LED Engine Motor $89.99 Hobby, StirlingkitEngine Model Windmill Fan Cabin Shape Creative External Combustion Engine Kit $436.99