Skip to content
Search
Home
Catalog
ECU'S/EFI SYSTEMS
Wiring/Sensors
Fuel Injectors
Throttle Bodies
Ignition Components
Fuel pumps and components
Contact Us
Site navigation
Search
Search
Cart
Menu
Site navigation
Home
Catalog
ECU'S/EFI SYSTEMS
Wiring/Sensors
Fuel Injectors
Throttle Bodies
Ignition Components
Fuel pumps and components
Contact Us
Item added to cart.
View cart and check out
.
Close
Close
We're adding new products to our store daily, Please e-mail us at SALES@EFISUPPLY.COM if you're not able to find what you're looking for and we will get it added
Close
ECUs and EFI Systems
Filter by
All
Bigstuff3
expansion module
FAST EFI
Holley EFI Components
Holley EFI Kit
Sort by
Featured
Best selling
Alphabetically, A-Z
Alphabetically, Z-A
Price, low to high
Price, high to low
Date, old to new
Date, new to old
XFI Fuel Injector Harness - Ford - 4.6 & 5.4 Modular (SOHC or DOHC) Engines - 5.0L H.O. & 351 Windsor
Regular price
$130.85
View
XFI™ Fuel Injector Harness - Ford 5.0L 4V Modular (Coyote)
Regular price
$159.45
View
Holley HP EFI kit 550-605N
Regular price
$2,712
Sale price
$2,561.95
Sale
View
XFI Main Harnesses - Rear Engine Dragster/Boat
Regular price
$387.15
View
XFI Main Harnesses - GM LS1, -2, -6, -7
Regular price
$387.15
View
XFI Main Harnesses - GM TPI/Ford 5.0/Universal
Regular price
$410.25
View
XFI Main Harness - Universal (Flying Lead Harness w/ Weatherpack Connectors)
Regular price
$359.65
View
XFI Main Harnesses - Chrysler 5.7L, 6.1L Hemi
Regular price
$443.25
View
XFI Main Harnesses - GM LT1/Carb Conversion
Regular price
$387.15
View
FAST XFI Sportsman Engine Management System w/ 4150 throttle body
Regular price
$2,742.25
View
FAST XFI Sportsman Engine Transplant Kit w/ Throttle Body, Ford Coyote
Regular price
$3,247.15
View
FAST XFI Sportsman Blow-Through Supercharger EFI System
Regular price
$2,295.65
View
XFI Sportsman Roots Blower Dual Quad EFI System
Regular price
$2,945.75
View
FAST XFI Sportsman Engine Transplant Kit w/ Throttle Body, Ford Coyote
Regular price
$3,247.15
View
FAST XFI Sportsman EFI System for GM LS Engines
Regular price
$1,515.75
View
Holley HP EFI kit 550-607N
Regular price
$2,805
Sale price
$2,650.95
Sale
View
Holley HP EFI kit 550-607
Regular price
$2,584
Sale price
$2,441.95
Sale
View
Holley HP EFI kit 550-604
Regular price
$2,498
Sale price
$2,360.95
Sale
View
Holley HP EFI kit 550-603
Regular price
$2,584
Sale price
$2,441.95
Sale
View
Holley HP EFI kit 550-601N
Regular price
$2,712
Sale price
$2,561.95
Sale
View
←
1
2
3
4
→
Choosing a selection results in a full page refresh.
Press the space key then arrow keys to make a selection.
Use left/right arrows to navigate the slideshow or swipe left/right if using a mobile device