One complete Warner Hi Flex 4-speed gearbox type T5-1 made by the Warner Gear Company, Muncie, Indiana. In very good condition. Used in e.g. late 1920s Graham Paige 619, Moon and Duesenbergs. Pre 1930 four-speed transmissions were rare enough but the Warner box was unique in having a silent third ratio which was so close to direct drive that Grah..