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Why EFI?

Holley EFI is the perfect choice for your next fuel injection conversion, its closed loop tuning capabilities, easy to use software and parts availability make it a no brainer! Rely on the kits that the pro’s use, that’s right, ARCA, NASCAR trucks, NHRA Pro Stock and more all utilize Holley EFI for their tuning needs. From road racing, to circle track, off-road and drag racing, Holley’s fuel injection can be utilized in a variety of applications. Features such as boost control, transmission tuning and up to eight stages of nitrous come standard on HP & Dominator ECU’s. Make the switch to Holley EFI and find out just how easy it is to control your ride! If you're looking to take your build to the next level, the number 1 EFI conversion just got better. Thanks to Sniper 2 converting to EFI just got a whole lot easier. Sniper 2 is a brand new design from the ground up. We kept some of the tried and true features from the original Sniper, like our Self Tuning capability and the easy to use calibration wizard, while improving on virtually everything else. Want to make the switch from the original Sniper EFI to Sniper 2 and don't want to rewire your system? The Sniper adapter harness is a plug-and-play solution to connect your existing Sniper 1 wiring harness to a Sniper 2 throttle body! Can be used with any Sniper 2 system that is not equipped with a power distribution module (PDM). Simply remove your Sniper EFI throttle body from the intake manifold, unplug all of the connectors, and plug the Sniper EFI 2 adapter harness into your existing main harness. Cycle your ignition key, run a fresh wizard on the display of your choosing, and enjoy the benefits of Sniper EFI 2. Make the switch to Sniper 2 in minutes!
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    Air & Fuel Delivery

    Holley is the source for your Air & Fuel delivery upgrades! From Carburetors to the latest in EFI Fuel Injection Systems and Fuel Pumps. We have your products from air cleaners to fuel tanks and everything in between.