Ferrari has manufactured three naturally-aspirated V8 racing engines, designed for Formula One racing. First, the Tipo DS50 engine introduced in 1956; with the 2.5 L engine configuration. Second, the Tipo 205/B engine, introduced in 1964; with the 1.5 L engine configuration; and was designed by and . Then, a 42-year hiatus; until the FIA imposed a 2.4 L engine V8 configuration for all Formula One teams in 2006, with Ferrari introducing their Tipo 056; designed by Gilles Simon.