Rebate
Rebate
|
#4255501219
Holley 550-1219 Terminator X, Ford Modular 4V, EV6 Injectors
$1,753.95
/kit
Factory Shipped
$1,949.95
Save $196.00
Quantity
Need Help? Call to Order
Add to a list
Select an engine to verify Fitment
Select Engine
Product Summary
Universal Fit, Ford 4V Mod Stock Coils Ignition Type
Rebates Available
See rebate detailsKey Specs
| MFG. Part # | 550-1219 |
| Brand | Holley |
| Ignition Type | Ford 4V Mod Stock Coils |
| Tuner Style | Touchscreen Handheld |
| Throttle Style | Cable Driven |
Need To Know
Need help?
855.313.9176Quick and Easy Returns
Return PolicyHolley 550-1219 Details
Holley 550-1219 Details
Introducing Terminator X and X Max Kits for the Modular Ford engine. These new kits will plug and play with either 2V or 4V Mod Motors commonly found in 1996-2004 Mustangs, 1995-2006 F150, or 2002-2005 Explorers. These kits will work with both 4.6 and 5.4L power plants, so no matter what your donor vehicle was, we have a standalone Terminator X EFI system for your combination.Terminator X features real-time fuel learn, high impedance injector drivers, integrated 1bar MAP sensor, and 4 programmable inputs and outputs. These are ideal for electric fans, boost control solenoids, progressive nitrous control, and much more.Terminator X ECU comes fully loaded with base maps for common Coyote engine combinations to get you out of the garage and on the road/track fast. The included 3.5" LCD touch screen handheld contains an easy to use calibration wizard as well as tuning and gauge display functions.Included with Terminator X is Holley EFI's industry leading support, easy to use software suite that allows full laptop access/compatibility for advance users. Whether you're building a budget beater or full on race car, Terminator X has the industry leading features and technology you need at a price that won't break the bank.
Features:
- Plug and play engine control (for Ford Modular Engines, 4.6L 2V and 4V, or 5.4L 2V or 4V)
- Plug and Play compatible with Holley EFI accessories - Analog gauges, shift lights, modules, and both 6.86" and 12.3" Pro Dash
- EV1 or EV6 injector harness included (depending on your injector configuration)
- High Impedance Injector drivers power Holley EFI and most stock injectors -Injector support chart found in instructions (will not support low impedance injectors)
- Included Bosch LSU 4.9 wideband O2 sensors for accurate readings and precise tuning control
- Built in 1bar MAP (manifold absolute pressure) sensor included - For Boosted applications - internal MAP sensor can be disabled and utilize external MAP sensor harness (kit includes a terminated connector for seamless installation)
- Vacuum hose adapters included - (1/8", 1/4", and 3/16" sizes)
- 4 inputs - 12v, Ground, 5v, and frequency for items like pressure sensors, activation triggers, nitrous activation, or trans brake
- Boost Control - boost vs. time, boost vs. gear, boost vs. RPM, boost vs. speed, and boost safeties
- Nitrous Control - channels for wet or dry, progressive or non-progressive, rich/lean safeties, and target closed loop AFR (Air/Fuel Ratio)
- Advanced Tables - ( 4x 1D tables, 1x 1D gear table, 4x 2D table, and 1x 2D gear tables) for nearly unlimited table configuration options
- On-board diagnostic LEDS - ECU power, engine run, TPS calibration, cam signal, and more! Identify critical engine parameters at a glance
- 3.5" touchscreen handheld included - Internal data-logging, custom gauge display, and calibration wizard allow quick building bases tunes for any Domestic V8 engine
- Compact ECU (Engine Control Unit) - At only 7.45" x 4.1" x 1.66" the compact packaging allows mounting virtually anywhere (XMAX ECU = 9.6" x 4.1" x 1.66"). REMINDER: diagnostic LED's must face up!
- FREE EFI Tuning software - For compete control of your Terminator X power plant
Charts
Quick Start for 550-1219 (PDF)
Rebates
Holley Fuel Up Spring Savings Event 2026

Save 10% instantly on select products across the Holley family of performance brands during the annual Holley Fuel Up Spring Savings Event 2026. Instant rebate period has been extended and now runs from March 30, 2026 through April 19, 2026.
Guides & Documents
CARB Warning
For race/ off road use or for use on pre-1966 vehicles.
CARB Warning
For race/ off road use or for use on pre-1966 vehicles.
Holley 550-1219 Specifications
Holley 550-1219 Specifications
| KEY SPECS | |
|---|---|
| MFG. Part # | 550-1219 |
| Brand | Holley |
| Ignition Type | Ford 4V Mod Stock Coils |
| Tuner Style | Touchscreen Handheld |
| Throttle Style | Cable Driven |
| GENERAL | |
| Injector Connector | USCAR (EV6) |
| MAP Sensor Included | Yes |
| Transmission Control | No |
| Oxygen Sensor Style | Bosch |
| GTIN Code | 090127084908 |
| Sold in Quantity | Kit |
Ratings & Reviews
Ratings & Reviews
Fitment
Fitment
1992 Ford Crown Victoria
Ford 4.6 2V
1993-2004 Ford Crown Victoria
Ford 4.6 2V
Ford 4.6 4V
2005 Ford Crown Victoria
Ford 4.6 2V
Ford 4.6 3V
Ford 4.6 4V
2006-2010 Ford Crown Victoria
Ford 4.6 2V
Ford 4.6 3V
2011 Ford Crown Victoria
Ford 4.6 2V
2003-2004 Ford E-150
Ford 4.6 2V
Ford 4.6 4V
Ford 5.4 2V
Ford 5.4 3V
Ford 5.4 4V
2005 Ford E-150
Ford 4.6 2V
Ford 4.6 3V
Ford 4.6 4V
Ford 5.4 3V
Ford 5.4 4V
2006-2010 Ford E-150
Ford 4.6 2V
Ford 4.6 3V
Ford 5.4 3V
Ford 5.4 4V
2011-2012 Ford E-150
Ford 5.4 4V
2013-2014 Ford E-150
Ford 4.6 2V
Ford 5.4 2V
2003-2004 Ford E-150 Club Wagon
Ford 4.6 2V
Ford 4.6 4V
Ford 5.4 2V
Ford 5.4 3V
Ford 5.4 4V
2005 Ford E-150 Club Wagon
Ford 4.6 2V
Ford 4.6 3V
Ford 4.6 4V
Ford 5.4 3V
Ford 5.4 4V
1997-1998 Ford E-150 Econoline
Ford 4.6 2V
Ford 4.6 4V
Ford 5.4 2V
1999-2001 Ford E-150 Econoline
Ford 4.6 2V
Ford 4.6 4V
Ford 5.4 2V
Ford 5.4 4V
2002 Ford E-150 Econoline
Ford 4.6 2V
Ford 4.6 4V
Ford 5.4 2V
Ford 5.4 3V
Ford 5.4 4V
1997-1998 Ford E-150 Econoline Club Wagon
Ford 4.6 2V
Ford 4.6 4V
Ford 5.4 2V
1999-2001 Ford E-150 Econoline Club Wagon
Ford 4.6 2V
Ford 4.6 4V
Ford 5.4 2V
Ford 5.4 4V
2002 Ford E-150 Econoline Club Wagon
Ford 4.6 2V
Ford 4.6 4V
Ford 5.4 2V
Ford 5.4 3V
Ford 5.4 4V
2003-2004 Ford E-250
Ford 4.6 2V
Ford 4.6 4V
Ford 5.4 2V
Ford 5.4 3V
Ford 5.4 4V
2005 Ford E-250
Ford 4.6 2V
Ford 4.6 3V
Ford 4.6 4V
Ford 5.4 3V
Ford 5.4 4V
2006-2010 Ford E-250
Ford 4.6 2V
Ford 4.6 3V
Ford 5.4 3V
Ford 5.4 4V
2011-2012 Ford E-250
Ford 5.4 4V
2013-2014 Ford E-250
Ford 4.6 2V
Ford 5.4 2V
1997 Ford E-250 Econoline
Ford 4.6 2V
Ford 4.6 4V
Ford 5.4 2V
1998 Ford E-250 Econoline
Ford 5.4 2V
1999-2001 Ford E-250 Econoline
Ford 5.4 2V
Ford 5.4 4V
2002 Ford E-250 Econoline
Ford 5.4 2V
Ford 5.4 3V
Ford 5.4 4V
2004 Ford E-250 Super Duty
Ford 5.4 2V
Ford 5.4 3V
Ford 5.4 4V
2005 Ford E-250 Super Duty
Ford 5.4 3V
Ford 5.4 4V
2003 Ford E-350
Ford 5.4 2V
Ford 5.4 3V
Ford 5.4 4V
2003-2004 Ford E-350 Club Wagon
Ford 5.4 2V
Ford 5.4 3V
Ford 5.4 4V
2005 Ford E-350 Club Wagon
Ford 5.4 3V
Ford 5.4 4V
1997-1998 Ford E-350 Econoline
Ford 5.4 2V
2001 Ford E-350 Econoline
Ford 5.4 2V
Ford 5.4 4V
2002 Ford E-350 Econoline
Ford 5.4 2V
Ford 5.4 3V
Ford 5.4 4V
1997-1998 Ford E-350 Econoline Club Wagon
Ford 5.4 2V
1999-2001 Ford E-350 Econoline Club Wagon
Ford 5.4 2V
Ford 5.4 4V
2002 Ford E-350 Econoline Club Wagon
Ford 5.4 2V
Ford 5.4 3V
Ford 5.4 4V
2004 Ford E-350 Super Duty
Ford 5.4 2V
Ford 5.4 3V
Ford 5.4 4V
2005-2010 Ford E-350 Super Duty
Ford 5.4 3V
Ford 5.4 4V
2011-2012 Ford E-350 Super Duty
Ford 5.4 4V
2013-2014 Ford E-350 Super Duty
Ford 5.4 2V
1997-1998 Ford Econoline Super Duty
Ford 5.4 2V
1999 Ford Econoline Super Duty
Ford 5.4 2V
Ford 5.4 4V
2000-2001 Ford Excursion
Ford 5.4 2V
Ford 5.4 4V
2002-2004 Ford Excursion
Ford 5.4 2V
Ford 5.4 3V
Ford 5.4 4V
2005 Ford Excursion
Ford 5.4 3V
Ford 5.4 4V
1997-1998 Ford Expedition
Ford 4.6 2V
Ford 4.6 4V
Ford 5.4 2V
1999-2001 Ford Expedition
Ford 4.6 2V
Ford 4.6 4V
Ford 5.4 2V
Ford 5.4 4V
2002-2004 Ford Expedition
Ford 4.6 2V
Ford 4.6 4V
Ford 5.4 2V
Ford 5.4 3V
Ford 5.4 4V
2005-2010 Ford Expedition
Ford 5.4 3V
Ford 5.4 4V
2011-2012 Ford Expedition
Ford 5.4 4V
2013-2014 Ford Expedition
Ford 5.4 3V
2002-2004 Ford Explorer
Ford 4.6 2V
Ford 4.6 4V
2005 Ford Explorer
Ford 4.6 2V
Ford 4.6 3V
Ford 4.6 4V
2006-2010 Ford Explorer
Ford 4.6 2V
Ford 4.6 3V
2007-2010 Ford Explorer Sport Trac
Ford 4.6 2V
Ford 4.6 3V
1997-1998 Ford F-150
Ford 4.6 2V
Ford 4.6 4V
Ford 5.4 2V
1999-2001 Ford F-150
Ford 4.6 2V
Ford 4.6 4V
Ford 5.4 2V
Ford 5.4 4V
2002-2004 Ford F-150
Ford 4.6 2V
Ford 4.6 4V
Ford 5.4 2V
Ford 5.4 3V
Ford 5.4 4V
2005 Ford F-150
Ford 4.6 2V
Ford 4.6 3V
Ford 4.6 4V
Ford 5.4 3V
Ford 5.4 4V
2006-2010 Ford F-150
Ford 4.6 2V
Ford 4.6 3V
Ford 5.4 3V
Ford 5.4 4V
2004 Ford F-150 Heritage
Ford 4.6 2V
Ford 4.6 4V
Ford 5.4 2V
Ford 5.4 3V
Ford 5.4 4V
1997-1998 Ford F-250
Ford 4.6 2V
Ford 4.6 4V
Ford 5.4 2V
1999 Ford F-250
Ford 4.6 2V
Ford 4.6 4V
Ford 5.4 2V
Ford 5.4 4V
1999-2001 Ford F-250 Super Duty
Ford 5.4 2V
Ford 5.4 4V
2002-2004 Ford F-250 Super Duty
Ford 5.4 2V
Ford 5.4 3V
Ford 5.4 4V
2005-2010 Ford F-250 Super Duty
Ford 5.4 3V
Ford 5.4 4V
1999-2001 Ford F-350 Super Duty
Ford 5.4 2V
Ford 5.4 4V
2002-2004 Ford F-350 Super Duty
Ford 5.4 2V
Ford 5.4 3V
Ford 5.4 4V
2005-2010 Ford F-350 Super Duty
Ford 5.4 3V
Ford 5.4 4V
2005-2006 Ford GT
Ford 5.4 3V
Ford 5.4 4V
1996-1999 Ford Mustang
Ford 4.6 2V
Ford 4.6 4V
2000 Ford Mustang
Ford 4.6 2V
Ford 4.6 4V
Ford 5.4 2V
Ford 5.4 4V
2001-2004 Ford Mustang
Ford 4.6 2V
Ford 4.6 4V
2005 Ford Mustang
Ford 4.6 2V
Ford 4.6 3V
Ford 4.6 4V
2006 Ford Mustang
Ford 4.6 2V
Ford 4.6 3V
2007-2010 Ford Mustang
Ford 4.6 2V
Ford 4.6 3V
Ford 5.4 3V
Ford 5.4 4V
2011-2012 Ford Mustang
Ford 5.4 4V
1994-1997 Ford Thunderbird
Ford 4.6 2V
Ford 4.6 4V
2003-2004 Lincoln Aviator
Ford 4.6 2V
Ford 4.6 4V
2005 Lincoln Aviator
Ford 4.6 2V
Ford 4.6 3V
Ford 4.6 4V
2002 Lincoln Blackwood
Ford 5.4 2V
Ford 5.4 3V
Ford 5.4 4V
1995-2002 Lincoln Continental
Ford 4.6 2V
Ford 4.6 4V
2006-2008 Lincoln Mark LT
Ford 5.4 3V
Ford 5.4 4V
1993-1998 Lincoln Mark VIII
Ford 4.6 2V
Ford 4.6 4V
Ford 5.4 2V
Ford 5.4 2V
Ford 5.4 4V
Ford 5.4 2V
Ford 5.4 3V
Ford 5.4 4V
Ford 5.4 3V
Ford 5.4 4V
Ford 5.4 4V
Ford 5.4 3V
1991-1992 Lincoln Town Car
Ford 4.6 2V
1993-2004 Lincoln Town Car
Ford 4.6 2V
Ford 4.6 4V
2005 Lincoln Town Car
Ford 4.6 2V
Ford 4.6 3V
Ford 4.6 4V
2006-2010 Lincoln Town Car
Ford 4.6 2V
Ford 4.6 3V
2011 Lincoln Town Car
Ford 4.6 2V
1992-2011 Mercury Grand Marquis
Ford 4.6 2V
2003-2004 Mercury Marauder
Ford 4.6 2V
2002-2010 Mercury Mountaineer
Ford 4.6 2V
