Lycoming IO-580

IO-580
Lycoming AEIO-580 installed in an Extra 330LC
TypePiston aero engine
National originUnited States
ManufacturerLycoming Engines
First run1996
Major applications
Manufactured1997–present
Developed intoLycoming IO-390

The Lycoming IO-580 engine is a horizontally opposed, six-cylinder aircraft engine featuring three cylinders per side, manufactured by Lycoming Engines.

There is no carburetted version of the engine, which would have been designated O-580 and therefore the base model is the IO-580.

This engine family competes with the Continental IO-550 series which are also six-cylinder engines with similar power output and weight.