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 supported - with several popular options of fuel systems, ignition systems, performance enhancements and finishing options. These features come with every Lycoming Thunderbolt engine:
Thank you for your interest in the Lycoming Thunderbolt engine! A summary of your selected options is listed below.
Automatic Thunderbolt Upgrades Include: 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.