Fuel Injection Retrofit Kits

Introducing the Holley Sniper EFI 4150 Super Sniper 650! Transform your blow-thru carbureted turbo engine to EFI effortlessly. Ideal for lower horsepower applications, this model supports up to 650 HP with its four injector design. With built-in nitrous control, there's no need for a separate controller, simplifying your setup. Each system includes a USB to CAN tuning cable and free Sniper EFI Software for unparalleled engine control. Holley Sniper delivers powerful performance and is packed with features like advanced boost control, programmable air-fuel ratios, and user-friendly adjustability, making it the ultimate choice for enhancing your engine's capabilities.

Introducing the Holley Super Sniper EFI! Transform your blow-through carbureted turbo engine into a high-performance EFI beast with this cutting-edge system. Designed for up to 650 HP, it features four powerful injectors ideal for lower horsepower applications with power adders or additional sensor needs. The Super Sniper boasts built-in nitrous control, eliminating the need for an additional controller. Plus, enjoy limitless engine control with the free Sniper EFI Software and a USB to CAN tuning cable included. Take your engine to the next level with Holley’s superior performance technology!