The first double overhead camshaft engine was a two valve, and it was made for the Peugeot in 1913. Other early incarnations of the DOHC included the Alfa Romeo (1925), the Maserati (1926) and the Bugatti (1931). The Ford Motor Company first used the DOHC in its Kent (1962), and General Motors first used it in 1975 in its Cosworth 2300. Design Specifications The DOHC engine was designed
