Optimize Flying

Designed to optimize your flying experience.

From the home builder to the aerobatic pilot, customers can choose a Thunderbolt engine that accommodates their desired level of performance. Choose from the Signature, Extreme or Competition Series to begin building your custom piston aircraft engine.

Personal attention to detail in every engine.

Thunderbolt engines receive unrivaled craftsmanship from start-to-finish.  Lycoming engines are proudly built in our factory in Williamsport, PA.

Mechanic working on an engine

Speak with our sales team to order your custom-built Thunderbolt engine.


A top-ranked and award-winning aerobatic pilot, Michael Goulian chooses Lycoming to power his aircraft. Watch Goulian perform in an upcoming Red Bull Air Race, or meet him at the Lycoming booth at EAA AirVenture.

Michael Goulian Flying