Un-machined KitNote: Machining & Assembly required.Bore 1½", Stroke 2½" - Double ActingThis is the sister to our horizontal No 4 engine. Both engines were sold as casting kits by the Chas. A. Strelinger Co.of Detroit, MI. Both were rated at ¼ H.P. You could build either one or both!The total height is 7½", the total length is 18 inches, the total width is 8 inches and the flywheel diameter is 6 7/8 inches.Kit complete with cast iron and bronze castings, all required hardware, gasket material, bar stock and complete working drawings.