Find standalone EFI for LS, Coyote, Hemi and more at Holley.com. From engine swapping to managing up to 4000 horsepower, we have a solution for every project!

Holley is home to the top automotive performance brands including Flowmaster exhaust, MSD Ignition, Holley EFI, Hurst Shifters, Accel plug wires, Hooker Headers and many more.

If you're looking for a high-performance fuel injection system that delivers power, efficiency, and ease of use, look no further than the Sniper 2 EFI system. Take complete control and make …

The Holley EFI 12.3" Pro Dash is customizable with a variety of gauge and indicator screens that can be programmed to display any parameter you need from a Holley EFI system.

Jul 26, 2023 · 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 …

Sep 29, 2020 · Holley EFI announces Version 6 of the Dominator/HP EFI software. New features include integrated drag racing transmission control as well as updated nitrous controls.

Aug 23, 2024 · Holley’s Sniper 2 online configurator gives you a step-by-step process to get the perfect EFI conversion for your car.

Feb 20, 2025 · With the right wiring setup, your EFI conversion will run smoothly and reliably. Follow these simple instructions to ensure your car’s electrical system is ready for modern fuel …

About Holley EFI Find standalone EFI for LS, Coyote, Hemi and more at Holley.com. From engine swapping to managing up to 4000 horsepower, we have a solution for every project!

View All Air & Fuel Delivery Categories/ Air & Fuel Delivery EFI - Fuel Injection Carburetors Fuel Pumps Regulators and Filters Air Cleaners