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Welcome to a brand new era in fuel injection! Introducing the new Holley Avenger, HP and Dominator EFI systems!

Holley is now your one–stop–shop for EFI. From street easy to full race – these new systems cover everything from simple throttle body systems all the way to the latest twin turbo or nitrous outlaw engines. Want to run an LSx engine with drive by wire and an electronic transmission? Holley has you covered!

Advanced technology and innovative solutions allowed Holley to develop these new user–friendly yet sophisticated ECU packages. Breakthrough features like self–tuning strategies, hand–held programmers, and striking touch screens bring Holley to the forefront of the EFI market. Combine that with appealing pricing and now it's easier than ever to own EFI. It's Tomorrow's Fuel Injection Today!

Holley EFI In Action!

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