The IO-520 is a six-cylinder, air-cooled, horizontally opposed engine manufactured by Continental Motors. It is commonly used in light aircraft and is known for its reliability and performance. The engine typically produces between 250 to 300 horsepower, making it suitable for various general aviation applications. Designed for efficiency, the IO-520 features fuel injection, which helps optimize fuel consumption and improve engine response. Its robust construction and proven design have made it a popular choice among aircraft manufacturers and pilots, contributing to its reputation in the aviation industry.