

Hero image 0 of Holley EFI 550-944 Terminator X Max Ford MPFI Kit w/ 98+ Transmission Control, 0 of 2
Reduced price
Holley EFI 550-944 Terminator X Max Ford MPFI Kit w/ 98+ Transmission Control
(No ratings yet)
Check if this fits your vehicle
Key item features
- Engine Compatibility: Plug and play control for Ford V8 engines like the 302w, 351w, and 460 Big Block, including a Ford Spaced EV1 Injector Harness.
- Transmission Control: Features a Ford 4R70W Transmission Control Harness, specifically for the Terminator X Max system.
- Advanced Sensors: Utilizes a Bosch LSU 4.9 wideband for accurate AFR information and includes a built-in 1bar MAP Sensor with vacuum hose adapters.
- Ignition & Inputs: Offers plug and play ignition with Dual Sync and HyperSpark Distributors, alongside four versatile inputs for various sensors or activation triggers.
- Performance Control: Provides comprehensive Boost Control (vs. Time, Gear, RPM, Speed) and Nitrous Control (Wet/Dry, Progressive/Non-Progressive with safeties).
- Diagnostic & Tuning: Equipped with On-Board Diagnostic LEDs for critical engine issues and a 3.5" Touchscreen Handheld for calibration, data-logging, and gauge display.
- Software & Expandability: Includes free EFI Tuning Software for full control and is compatible with Holley EFI accessories, including future 12.3" digital dash support.
Generated by AI
Specs
- Compatible carsFord V8 engine
- Vehicle makeFord
- BrandHOLLEY EFI
- Automotive parts divisionPerformance
- Vehicle fitment typeSpecific
- FeaturesEasy To Use
Current price is USDNow $1,708.95
You save $191.00
was $1,899.95$1,899.95
You save$191.00
Price when purchased online
- Free shipping
Free 90-day returns
How do you want your item?
Try 30 days of Free Shipping with Walmart+! Choose plan at checkout.
Columbus, 43215
Arrives by Sat, Feb 21
.Order within 13 hr 44 min
Sold and shipped by Walmart.com
Free 90-day returns
This item is gift eligible
More seller options (1)
Starting from $2,026.02
About this item
Product details
Terminator X Ford MPFI Kit w/ 98+ Transmission Control;
Take control of your conventional Ford engine with Terminator X! Don't settle for a factory ECU with a cumbersome tuning interface or pre-programmed tuning chip when you can have complete control of your engine, self-learning fuel strategies and the proven, race-winning technology of Holley EFI at a budget-friendly price! Terminator X features real-time fuel learn, high impedance injector drivers, an integrated 1bar MAP sensor, and 4 programmable inputs and outputs. The inputs and outputs are ideal for electric fans, boost control solenoids, progressive NOS control, and much more. Terminator X comes fully loaded with base maps for common V8 engine combinations to get you out of the garage and on the road/track fast. The 3.5 in. touch screen LCD handheld contains an easy to use calibration wizard as well as tuning and gauge display functions. Also included is Holley EFI's industry-leading, easy to use software suite that allows full laptop access for advanced users. Whether you are building a budget beater or a boosted race car, Terminator X has the features and technology you need at a price that won't break the bank!;
Take control of your conventional Ford engine with Terminator X! Don't settle for a factory ECU with a cumbersome tuning interface or pre-programmed tuning chip when you can have complete control of your engine, self-learning fuel strategies and the proven, race-winning technology of Holley EFI at a budget-friendly price! Terminator X features real-time fuel learn, high impedance injector drivers, an integrated 1bar MAP sensor, and 4 programmable inputs and outputs. The inputs and outputs are ideal for electric fans, boost control solenoids, progressive NOS control, and much more. Terminator X comes fully loaded with base maps for common V8 engine combinations to get you out of the garage and on the road/track fast. The 3.5 in. touch screen LCD handheld contains an easy to use calibration wizard as well as tuning and gauge display functions. Also included is Holley EFI's industry-leading, easy to use software suite that allows full laptop access for advanced users. Whether you are building a budget beater or a boosted race car, Terminator X has the features and technology you need at a price that won't break the bank!;
- Plug and play Ford V8 engine control, such as the 302w, 351w or 460 Big Block.
- Includes Ford Spaced EV1 Injector Harness
- Ford 4R70W Transmission Control Harness (Terminator X Max Only)
- Universal Engine Harness, some connectors such as the TPS and IAC may need to be changed to match your application.
- High Impedance Injector Drivers will safely power most Stock injectors, and Holley EFI Injectors. Injector support chart provided in the instructions (Will not control Low Impedance Injectors)
- All of the new Terminator X systems utilize the Bosch LSU 4.9 wideband to relay AFR information to the ECU for accurate reading and precise tuning control.
- Built in 1bar MAP Sensor, vacuum hose adapters included (1/8th â€" Â1/4 and 3/16ths) - or for Boosted applications, you can disable the internal MAP sensor, and utilize an external MAP Sensor, the harness comes with the connector terminated, making the in
- MAP Sensor vacuum hose adapters (1/8th â€" Â1/4 and 3/16ths)
- Plug and plug ignition capability with Dual Sync and HyperSpark Distributors, adapter 558-323 required for HyperSpark Distributors.
- 4 Inputs â€" 12v, Ground, 5v, and Frequency, for things such as additional pressure sensors, or activation triggers for nitrous activation, or a trans brake
- Boost Control â€" Boost vs Time, Boost vs Gear, Boost vs RPM, Boost vs Speed, Boost Safeties
- Nitrous Control â€" Single Channel of Wet or Dry, Progressive or Non-Progressive, Rich/Lean Safeties, and target Closed Loop AFR
- Advanced Tables â€" 4x 1D Tables, 1x 1D per Gear Table, 4x 2D Tables, 1x 2D per Gear Table, can be used for any custom tables you can dream up, such as Flex Fuel Sensor Offset Table, or a custom fuel or oil pressure safety!
- On-Board Diagnostic LEDS for: ECU Power â€" Engine Run â€" Wideband Status â€" TPS Calibration â€" Crank Signal â€"Cam Signal. Allow you to identify any Critical engine issues at a glance
- The included 3.5" Touchscreen Handheld contains a calibration wizard, that allows you to quickly build a base tune for any domestic V8 engine. Additionally the handheld provides internal data-logging and a fully customizable gauge display.
- The compact ECU size allows you to mount it virtually anywhere. Remember, diagnostic LEDS must face up!
- Plug and play compatible with more Holley EFI accessories such as; analog style gauges, shift lights, various modules, and coming soon, 12.3" digital dash support!
- Free EFI Tuning Software for complete control of your Terminator X power plant
info:
We aim to show you accurate product information. Manufacturers, suppliers and others provide what you see here, and we have not verified it. Â
Specifications
Compatible cars
Ford V8 engine
Vehicle make
Ford
Fuel injection accessory & part type
Ford Spaced EV1 Injector Harness, Ford 4R70W Transmission Control Harness, Universal Engine Harness
Brand
HOLLEY EFI
Warranty
Warranty information
see Manufacturer website
Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.
Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.
Warnings
Warning Text
California Proposition 65
Similar items you might like
Based on what customers bought
Holley EFI 550-920 Terminator X Max 58x/4x EV1 LS MPFI Kit with Transmission Control $1,708.95
$1,70895current price $1,708.95Holley EFI 550-920 Terminator X Max 58x/4x EV1 LS MPFI Kit with Transmission Control
Save withShipping, arrives in 3+ daysReduced price Holley EFI 550-959 Terminator X Max Universal MPFI Kit w/ Trans & DBW Control $1,888.95 Was $2,049.95
Reduced price
Now$1,88895current price Now $1,888.95, Was $2,049.95$2,049.95You save $161.00You save$161.00Holley EFI 550-959 Terminator X Max Universal MPFI Kit w/ Trans & DBW Control
Save withShipping, arrives in 3+ daysReduced price Holley EFI 550-937F Terminator X Foxbody 5.0 MPFI Kit $1,393.95 Was $1,549.95
Reduced price
Now$1,39395current price Now $1,393.95, Was $1,549.95$1,549.95You save $156.00You save$156.00Holley EFI 550-937F Terminator X Foxbody 5.0 MPFI Kit
44.5 out of 5 Stars. 4 reviewsSave withShipping, arrives in 3+ daysReduced price Holley EFI 550-945 Terminator X Max Ford MPFI Kit w/ GM Transmission Control $1,708.95 Was $1,899.95
Reduced price
Now$1,70895current price Now $1,708.95, Was $1,899.95$1,899.95You save $191.00You save$191.00Holley EFI 550-945 Terminator X Max Ford MPFI Kit w/ GM Transmission Control
Save withShipping, arrives in 3+ daysHolley EFI 550-1224 Terminator X HEMI Gen III 2007-2013 Kit $1,949.95
$1,94995current price $1,949.95Holley EFI 550-1224 Terminator X HEMI Gen III 2007-2013 Kit
Save withShipping, arrives in 3+ daysHolley EFI 550-1221 Terminator X Ford Mod Motor 2V & 4V Kit $1,949.95
$1,94995current price $1,949.95Holley EFI 550-1221 Terminator X Ford Mod Motor 2V & 4V Kit
Save withShipping, arrives in 3+ daysHolley EFI 550-1311 Terminator X Max Ford Coyote - 2011-2012 w/ Ti-VCT $2,599.99
$2,59999current price $2,599.99Holley EFI 550-1311 Terminator X Max Ford Coyote - 2011-2012 w/ Ti-VCT
Shipping, arrives in 3+ daysReduced price Holley EFI Terminator X Max Mpfi W/Dbw, Ls1 $1,663.95 Was $1,849.95
Reduced price
Now$1,66395current price Now $1,663.95, Was $1,849.95$1,849.95You save $186.00You save$186.00Holley EFI Terminator X Max Mpfi W/Dbw, Ls1
Save withShipping, arrives in 3+ daysHolley EFI 550-926 Fuel Injection System $1,888.95
$1,88895current price $1,888.95Holley EFI 550-926 Fuel Injection System
Save withShipping, arrives in 3+ daysHolley EFI 550-1220 Terminator X Ford Mod Motor 2V & 4V Kit $1,949.95
$1,94995current price $1,949.95Holley EFI 550-1220 Terminator X Ford Mod Motor 2V & 4V Kit
Save withShipping, arrives in 3+ daysReduced price Holley EFI 550-933T Terminator X Max MPFI System $1,663.95 Was $1,789.95
Reduced price
Now$1,66395current price Now $1,663.95, Was $1,789.95$1,789.95You save $126.00You save$126.00Holley EFI 550-933T Terminator X Max MPFI System
Save withShipping, arrives in 3+ daysTerminator X Max MPFI System $1,708.95
$1,70895current price $1,708.95Terminator X Max MPFI System
15 out of 5 Stars. 1 reviewsSave withShipping, arrives in 3+ daysReduced price Holley EFI 550-935T Terminator X Max 58x/4x EV1 LS MPFI Kit with DBW Throttle Body and Transmission Control - Without 3.5" Handheld $1,843.95 Was $2,049.95
Reduced price
Now$1,84395current price Now $1,843.95, Was $2,049.95$2,049.95You save $206.00You save$206.00Holley EFI 550-935T Terminator X Max 58x/4x EV1 LS MPFI Kit with DBW Throttle Body and Transmission Control - Without 3.5" Handheld
Save withShipping, arrives in 3+ daysReduced price Holley EFI 550-1223 Terminator X HEMI Gen III 2003-2006 Kit $1,753.95 Was $1,899.95
Reduced price
Now$1,75395current price Now $1,753.95, Was $1,899.95$1,899.95You save $146.00You save$146.00Holley EFI 550-1223 Terminator X HEMI Gen III 2003-2006 Kit
Save withShipping, arrives in 3+ daysHolley EFI 550-1225 Terminator X HEMI Gen III 2007-2013 Kit $1,949.95
$1,94995current price $1,949.95Holley EFI 550-1225 Terminator X HEMI Gen III 2007-2013 Kit
Shipping, arrives in 3+ daysHolley EFI 550-1003 Terminator X Stealth 4150, Gold $1,798.95 Was $1,949.95
Now$1,79895current price Now $1,798.95, Was $1,949.95$1,949.95You save $151.00You save$151.00Holley EFI 550-1003 Terminator X Stealth 4150, Gold
Shipping, arrives in 3+ daysReduced price Terminator X Max Fuel Injection System $1,708.95 Was $1,899.95
Reduced price
Now$1,70895current price Now $1,708.95, Was $1,899.95$1,899.95You save $191.00You save$191.00Terminator X Max Fuel Injection System
23.5 out of 5 Stars. 2 reviewsSave withShipping, arrives in 3+ daysHolley EFI 550-1006 Terminator X Stealth 4150, Gold $2,249.95
$2,24995current price $2,249.95Holley EFI 550-1006 Terminator X Stealth 4150, Gold
Shipping, arrives in 3+ daysReduced price Holley EFI 550-1217 Terminator X Ford Mod Motor 2V Kit $1,753.95 Was $1,899.95
Reduced price
Now$1,75395current price Now $1,753.95, Was $1,899.95$1,899.95You save $146.00You save$146.00Holley EFI 550-1217 Terminator X Ford Mod Motor 2V Kit
Save withShipping, arrives in 3+ daysHolley EFI 550-1002 Terminator X Stealth 4150, Black $1,798.95 Was $1,999.95
Now$1,79895current price Now $1,798.95, Was $1,999.95$1,999.95You save $201.00You save$201.00Holley EFI 550-1002 Terminator X Stealth 4150, Black
15 out of 5 Stars. 1 reviewsShipping, arrives in 3+ days
Popular items in this category
Best selling items that customers love
Holley EFI 550-942 Terminator X Max Universal MPFI Kit w/ Transmission Control $1,708.95
$1,70895current price $1,708.95Holley EFI 550-942 Terminator X Max Universal MPFI Kit w/ Transmission Control
Save withShipping, arrives in 3+ daysReduced price Holley EFI 550-950 Terminator X Max Universal MPFI Kit w/ DBW Control $1,708.95 Was $1,849.95
Reduced price
Now$1,70895current price Now $1,708.95, Was $1,849.95$1,849.95You save $141.00You save$141.00Holley EFI 550-950 Terminator X Max Universal MPFI Kit w/ DBW Control
Save withShipping, arrives in 3+ daysHolley EFI 550-937 Terminator X Ford MPFI Kit $1,348.95
$1,34895current price $1,348.95Holley EFI 550-937 Terminator X Ford MPFI Kit
15 out of 5 Stars. 1 reviewsSave withShipping, arrives in 3+ daysReduced price Holley EFI 550-917T Terminator X Max MPFI System $1,663.95 Was $1,849.95
Reduced price
Now$1,66395current price Now $1,663.95, Was $1,849.95$1,849.95You save $186.00You save$186.00Holley EFI 550-917T Terminator X Max MPFI System
Save withShipping, arrives in 3+ daysHolley EFI 550-1216 Terminator X Ford Mod Motor 2V Kit $1,753.95
$1,75395current price $1,753.95Holley EFI 550-1216 Terminator X Ford Mod Motor 2V Kit
14 out of 5 Stars. 1 reviewsSave withShipping, arrives in 3+ daysHolley EFI 550-934 Terminator X Max 24x/1x EV6 LS MPFI Kit with DBW Throttle Body and Transmission Control $1,888.95
$1,88895current price $1,888.95Holley EFI 550-934 Terminator X Max 24x/1x EV6 LS MPFI Kit with DBW Throttle Body and Transmission Control
15 out of 5 Stars. 1 reviewsSave withShipping, arrives in 3+ daysReduced price Holley EFI 550-932 Terminator X Max 24x/1x EV6 LS MPFI Kit with DBW Throttle Body Control $1,708.95 Was $1,899.95
Reduced price
Now$1,70895current price Now $1,708.95, Was $1,899.95$1,899.95You save $191.00You save$191.00Holley EFI 550-932 Terminator X Max 24x/1x EV6 LS MPFI Kit with DBW Throttle Body Control
Save withShipping, arrives in 3+ daysHolley EFI 550-936 Terminator X MPFI System $1,348.95
$1,34895current price $1,348.95Holley EFI 550-936 Terminator X MPFI System
15 out of 5 Stars. 1 reviewsSave withShipping, arrives in 3+ daysReduced price Holley EFI 550-920T Terminator X Max 58x/4x EV1 LS MPFI Kit with Transmission Control - Without 3.5" Handheld $1,663.95 Was $1,849.95
Reduced price
Now$1,66395current price Now $1,663.95, Was $1,849.95$1,849.95You save $186.00You save$186.00Holley EFI 550-920T Terminator X Max 58x/4x EV1 LS MPFI Kit with Transmission Control - Without 3.5" Handheld
Save withShipping, arrives in 3+ daysHolley EFI 550-910 Terminator X 58x/4x EV1 LS MPFI Kit $1,348.95
$1,34895current price $1,348.95Holley EFI 550-910 Terminator X 58x/4x EV1 LS MPFI Kit
Save withShipping, arrives in 3+ daysReduced price Holley EFI 550-934T Terminator X Max 24x/1x EV6 LS MPFI Kit with DBW Throttle Body and Transmission Control - Without 3.5" Handheld $1,843.95 Was $2,049.95
Reduced price
Now$1,84395current price Now $1,843.95, Was $2,049.95$2,049.95You save $206.00You save$206.00Holley EFI 550-934T Terminator X Max 24x/1x EV6 LS MPFI Kit with DBW Throttle Body and Transmission Control - Without 3.5" Handheld
Save withShipping, arrives in 3+ daysReduced price Holley EFI 550-918T Terminator X Max 58x/4x EV6 LS MPFI Kit with Transmission Control - Without 3.5" Handheld $1,663.95 Was $1,849.95
Reduced price
Now$1,66395current price Now $1,663.95, Was $1,849.95$1,849.95You save $186.00You save$186.00Holley EFI 550-918T Terminator X Max 58x/4x EV6 LS MPFI Kit with Transmission Control - Without 3.5" Handheld
Save withShipping, arrives in 3+ daysHolley EFI 550-919T Terminator X Max 24x/1x EV6 LS MPFI Kit with Transmission Control - Without 3.5" Handheld $1,663.95
$1,66395current price $1,663.95Holley EFI 550-919T Terminator X Max 24x/1x EV6 LS MPFI Kit with Transmission Control - Without 3.5" Handheld
Save withShipping, arrives in 3+ daysHolley EFI 550-1310 Terminator X Max Ford Coyote - 2011-2012 w/ Ti-VCT $2,599.99
$2,59999current price $2,599.99Holley EFI 550-1310 Terminator X Max Ford Coyote - 2011-2012 w/ Ti-VCT
Shipping, arrives in 3+ daysHolley EFI 550-1509 Terminator X Max Ford Coyote - 2013-2015 w/ Ti-VCT $3,028.95
$3,02895current price $3,028.95Holley EFI 550-1509 Terminator X Max Ford Coyote - 2013-2015 w/ Ti-VCT
Shipping, arrives in 3+ daysTerminator X MPFI System $1,348.95
$1,34895current price $1,348.95Terminator X MPFI System
35 out of 5 Stars. 3 reviewsSave withShipping, arrives in 3+ daysReduced price Holley EFI 550-904T Terminator X 24x/1x Multec 2 LS MPFI Kit - Without 3.5" Handheld $1,258.95 Was $1,399.95
Reduced price
Now$1,25895current price Now $1,258.95, Was $1,399.95$1,399.95You save $141.00You save$141.00Holley EFI 550-904T Terminator X 24x/1x Multec 2 LS MPFI Kit - Without 3.5" Handheld
Save withShipping, arrives in 3+ daysHolley EFI 550-1314 Terminator X Max Ford Coyote - 2015.5-2017 w/ Ti-VCT $2,599.99
$2,59999current price $2,599.99Holley EFI 550-1314 Terminator X Max Ford Coyote - 2015.5-2017 w/ Ti-VCT
Shipping, arrives in 3+ daysHolley EFI 550-1631LSD Holley EFI Terminator X Max GM Gen V LT Late Direct Injection Kit $3,399.95
$3,39995current price $3,399.95Holley EFI 550-1631LSD Holley EFI Terminator X Max GM Gen V LT Late Direct Injection Kit
Shipping, arrives in 3+ daysHolley EFI 550-1631 Holley EFI Terminator X Max GM Gen V LT Late Direct Injection Kit $3,399.95
$3,39995current price $3,399.95Holley EFI 550-1631 Holley EFI Terminator X Max GM Gen V LT Late Direct Injection Kit
Save withShipping, arrives in 3+ days
Similar items that fit perfectly
Based on customer reviews
Fuel Injector Connector - Compatible with 2005 - 2017 Chevy Equinox 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 $20.95
$2095current price $20.95Fuel Injector Connector - Compatible with 2005 - 2017 Chevy Equinox 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016
115 out of 5 Stars. 11 reviewsShipping, arrives in 3+ daysFuel Injector Connector - Compatible with 2005 - 2017 Chevy Equinox 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 $23.95
$2395current price $23.95Fuel Injector Connector - Compatible with 2005 - 2017 Chevy Equinox 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016
224.9 out of 5 Stars. 22 reviewsShipping, arrives in 3+ daysFuel Injector Connector - Compatible with 2004 - 2009 Jaguar XJ8 2005 2006 2007 2008 $20.95
$2095current price $20.95Fuel Injector Connector - Compatible with 2004 - 2009 Jaguar XJ8 2005 2006 2007 2008
115 out of 5 Stars. 11 reviewsShipping, arrives in 3+ daysFuel Injector Connector - Compatible with 2003 - 2006 Jaguar XK8 2004 2005 $23.95
$2395current price $23.95Fuel Injector Connector - Compatible with 2003 - 2006 Jaguar XK8 2004 2005
224.9 out of 5 Stars. 22 reviewsShipping, arrives in 3+ daysFuel Injector Connector - Compatible with 2004 - 2009 Jaguar XJ8 2005 2006 2007 2008 $23.95
$2395current price $23.95Fuel Injector Connector - Compatible with 2004 - 2009 Jaguar XJ8 2005 2006 2007 2008
224.9 out of 5 Stars. 22 reviewsFuel Injector Connector - Compatible with 2003 - 2006 Jaguar XK8 2004 2005 $20.95
$2095current price $20.95Fuel Injector Connector - Compatible with 2003 - 2006 Jaguar XK8 2004 2005
115 out of 5 Stars. 11 reviewsShipping, arrives in 3+ days
Customer ratings & reviews
0 ratings|0 reviews
This item does not have any reviews yet
Related pages
- Mercury Mountaineer Engine Cold Air Intake Performance Kit
- Mercury Cougar Air Intake Kit
- Mercury Mountaineer Engine Intake Manifold
- Mercury Cougar Engine Intake Manifold
- Mercury Grand Marquis Engine Intake Valve
- Mercury Marquis Engine Intake Manifold
- Fuel Cells
- Intake Couplings
- Intercoolers
- Fuel Injector Lines
- Performance Fuel Pumps
- Fuel Injection Throttle Body Flow Boosters
