Welcome to efisupply.com, the web's premier source for aftermarket Electronic fuel injection components. We're proud to offer a wide selection of high quality Electronic Fuel Injection supplies including: Accel DFI Thruster and Gen VII systems, Aeromotive, Bigstuff 3, Bosch, Delphi, FAST XFI, Lucas, Magnafuel, Mallory, NTK, Siemens Deka and Wilson Manifolds. While others may offer components from more manufacturers, we've yet to find an EFI application that cannot be handled using the quality products available from these fine vendors.

We don't just sell you the parts and leave you to go it on your own, we provide the expertise needed to get the job done right! With a broad assortment of ECU's, wiring harnesses, sensors, throttle bodies, fuel injectors, EFI ready manifolds, fuel pumps, fuel pressure regulators, wiring accessories, ignition components and more at our disposal, we're ready to take on your application be it supercharged, turbocharged, nitrous oxide equipped or naturally aspirated. We have years of experience on the streets and the track that we're eager to put to work for you!

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While our site and store feature a variety of our more popular items, we also offer many items not featured here. If there is a particular item you are looking for but cannot find, please feel free to contact us at info@efisupply.com

Those of you interested in having our EFI experts put together a custom quote for your application may prefer to contact our technical staff at: tech@efisupply.com

We work hard to keep our prices competitive. If you find another national retailer selling the same parts for less, we'll do our best to match their prices. Contact us at: pricematch@efisupply.com

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