 AMC sold the Sunbeam name to BSA in 1943.Post-war landmarks start with the production of Matchless/AJS 350 cc and 500 cc singles, developed from the legendary war-time Matchless G3 produced for the Army.In 1946 Freddie Clarke joined AMC as Chief Development Engineer after a row with his former employers, Triumph and in 1947 AMC absorbed Francis-Barnett, followed later by the acquisition of James in 1951.