EFI Kits

Holley EFI systems deliver unmatched performance, control, and tunability for any build—from street cruisers to full-blown race machines. With plug-and-play ease, advanced data logging, and seamless integration with a wide range of engines, Holley’s EFI lineup puts precision tuning at your fingertips. Whether you're swapping in an LS or dialing in boost, Holley EFI is the ultimate solution for reliable, customizable power.