The Rolls-Royce Griffon is a British aircraft engine developed during World War II. It is a V-12 piston engine, known for its high power output and reliability. The Griffon was primarily used in military aircraft, including the Supermarine Spitfire and Avro Shackleton, providing enhanced performance compared to earlier engines. This engine features a displacement of 2,650 cubic inches and can produce up to 2,000 horsepower. Its design includes a supercharger, which improves efficiency at high altitudes. The Griffon played a significant role in the evolution of aviation technology during its time, contributing to the success of various aircraft.