Superior XP-engines

Order your Superior engine and parts at Loma Air

Loma Air is proud to be pointed out as an authorized distributor of Superior Air Parts.

Superior’s XP-Engines give airplanes and helicopter builders the widest array of factory new engine models and horsepower ranges, so you can find the perfect blending of performance, reliability and value to “re-power” your current aircraft or for your next project.

You get an engine that runs better, smoother and cooler than anything else in its class, all at a homebuilt price. For an optimal flexibility and value, the XP-320 and XP-360 have the option to run on either 100LL Avgas or unleaded automotive gasoline as well. * Superior stands behind the quality of every XP-Engine with the best warranty in the business

Better features. Better benefits. Better value from Superior’s XP-Engine series.


Enjoy the pleasure of assembling your own engine while using the extended knowledge and experience of our technicians.

Each factory new XP-Engine is created out of the most advanced designs and manufacturing techniques. The obvious quality of the XP-Engine is just the beginning of the many performance and quality advancements it brings to piston-powered, experimental aircrafts and helicopters. Each engine is hand-assembled by experienced engine craftsmen. Loma Air offers every buyer to learn and feel everything about the Superior XP-Engines! Therefore, explore the option to assemble your Superior Air Parts experimental engine together with our experienced staff!

We put the same quality and care into our factory new XP-Engines that you would put in your home-built engines.

*NOTE: Superior XP-Engines are approved for 100LL Avgas per ASTM D910, 91/98 (lead optional) and motor gasoline with a minimum antiknock index (R=M/2 method of 91 per ASTM D4814 (European EN228). Use of auto fuel blended with alcohol (ethanol) is forbidden.

Engine management
Proven tips to extending your engine's life while lowering your operating costs.

Engine Manager Superior

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