The F136, commonly known as Ferrari-Maserati engineblock, is a family of 90° V8 petrol engines jointly developed by Ferrari and Maserati and produced by Ferrari; these engines displace between 4.2 L and 4.7 L, and produce between 390 PS and 605 PS. All engines are naturally aspirated, incorporate dual overhead camshafts, variable valve timing, and four valves per cylinder.