Thunderbolt Engines are Lycoming's brand of high performance, built-to-order power plants for Experimental aircraft. With Thunderbolt Engines, customers get a genuine Lycoming engine that is factory built, factory tested and factory supported - with your choice of fuel systems, ignition systems, performance enhancements and finishing options.

  • Balanced crankshafts
  • Connecting rods, pistons & pins all within 1/2 gram
  • Handcrafted, high-performance piston engines
  • Customized to match personal style and taste
  • Available in three series for varying degrees of performance


Start Building

Thunderbolt-390

Thunderbolt-540

 
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Please note that this engine is a simulated model representing the engine series you selected. The actual color and configuration of your engine may vary from this model.

 
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Please note that this engine is a simulated model representing the engine series you selected. The actual color and configuration of your engine may vary from this model.

 

Engine Options


Roller Tappet System (Most Models) Crankshaft Dynamic Balancing Precision Static Balancing (Pistons and Rods to ½ Gram) Port and Polish/ Volumetric Cylinder Matching Chrome Rocker Box Covers
Traditional Ignition System Options, Slick (1L-Imp 1 R-STD), Retard Mag Substitute for Impulse Mag, 2nd Impulse Mag Instead of Plain, Delete One Side of Ignition System, Delete Entire Ignition System Electronic Magneto Options, E-mag, Lightspeed

PERSONAL DETAILS


Thank You!

Thank you for your interest in the Lycoming Thunderbolt engine! A summary of your selected options is listed below.


Engine Details