The Warbirds ASz-62 IR is a Czech aircraft engine, based on the Shvetsov ASh-62 and produced by Warbirds-engines (Cesky znalecky institut s.r.o.) of Prague for use in warbirds and homebuilt aircraft.
The company appears to have gone out of business by 2014.
The ASz-62 IR engine is a nine-cylinder four-stroke, radial, displacement, air-cooled, direct-drive, gasoline engine design, with a mechanical gearbox reduction drive. It employs dual magneto ignition and produces at 2200 rpm, with a compression ratio of 6.4:1.