Lycoming Crankshafts undergo a unique hardening process to make them one-of-a-kind in the industry, and lower the factory's environmental impact.
As a focus of innovation at the Lycoming Factory, we transformed how we manufacture crankshafts. Genuine Lycoming Crankshafts receive a hardening process,making the core of your engine even more reliable.
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Watch Our Unique Ion Nitriding Process in Action
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Introducing an ion nitriding treatment.

Not only does the ion nitriding system differentiate our crankshafts from the rest, but it also reduces our engine lead time by three days.

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Innovating for a better environment.

The Air Transport Action Group cited the ion nitriding system as an aviation climate solution for its contribution to reducing the Lycoming Factory's environmental impact. With a more energy-efficient manufacturing plant, we eliminated hazardous waste streams, reduced emissions, and improved production efficiency.

  • Reduction of annual CO2 emissions by 1.2 million pounds
  • Reduction of annual electricity usage by 110,000 kWh
  • Reduction of annual water consumption by 400,000 gallons
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  • The heart of the engine that reliably transmits power
  • Undergo ion nitriding hardening process
  • Manufacturing process reduces factory's environmental impact