MegaSquirt is the premier Do-It-Yourself EFI controller

Whether you are looking to gain in-depth knowledge of EFI by building a full featured ECU on your own, or simply want to save money building a proven reliable kit, from MegaSquirt origins the DIY spirit is available in partial and complete kits.
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MegaSquirt is versatile, configure it for anything

The ability to build a MegaSquirt system to run anything imaginable is one of the greatest benefits of our products. From race cars, to motorcycles, to single piston engines and even chainsaws.
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MegaSquirt Pro Controllers

Looking for vehicle or engine specific complete EFI solutions? Our suppliers offer a range of pro controllers including plug-n-play systems that are suited to LSX, HEMI, and more.
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