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Holley EFI Ford Terminator X MPFI w/ Universal Ford Harness 5.0/5.8 by Holley


Holley EFI Ford Terminator X MPFI w/ Universal Ford Harness 5.0/5.8
Holley EFI Ford Terminator X MPFI w/ Universal Ford Harness 5.0/5.8
Holley EFI Ford Terminator X MPFI w/ Universal Ford Harness 5.0/5.8
Holley EFI Ford Terminator X MPFI w/ Universal Ford Harness 5.0/5.8
Holley EFI Ford Terminator X MPFI w/ Universal Ford Harness 5.0/5.8
Holley EFI Ford Terminator X MPFI w/ Universal Ford Harness 5.0/5.8

Transform the efficiency of your Ford 5.0L or 5.8L Windsor power plant with the help of Holley's universal Terminator X MPFI.

Item #HLY-550937
MPN# 550-937

Sale Price: $1,358.95

Everyday Low Price: $1,599.95
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 Benefits

  • Real-Time Self-Learning Fuel Strategies
  • Built-In Boost & Nitrous Control
  • On-Board Diagnostics

 Features

  • Pre-Loaded With Base Maps For Common V8 Combinations
  • High Impedance Injector Drivers
  • Customizable Gauge Display
  • Built-In 1 Bar MAP Sensor

 What's in the Box

  • (1) Terminator X ECU
  • (1) 3.5" Touchscreen LCD Handheld
  • (1) Universal Engine Harness
  • (1) EV1 Injector Harness
  • (1) MAP Sensor vacuum hose adapters
  • (1) Bosch LSU 4.9 Wideband Oxygen Sensor
  • (1) Built-In 1 Bar Manifold Absolute Pressure Sensor

Holley EFI Ford Terminator X MPFI
Take control of your EFI Equipped 5.0 or 5.8 Ford Windsor engine and transform the power, efficiency, and drivability with Holley's universal Terminator X EFI! Control your engine, self-learning fuel strategies, and the proven, race-winning technology of Holley's EFI at a budget-friendly price! The Terminator X features real-time fuel learning, high impedance injector drivers, an integrated 1 bar MAP sensor, and 4 programmable inputs and outputs. Inputs and outputs are ideal for electric fans, boost control solenoids, progressive nitrous control, and much more. This 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" touchscreen LCD handheld device contains an easy-to-use calibration wizard as well as tuning and gauge display functions. Holley EFI's industry-leading, easy-to-use software is provided to allow full laptop access for advanced tuning. This Holley Terminator X EFI kit is the perfect solution for an engine-swapped classic car or competition race car, thanks to its impressive features and technology that won't break the bank!

Full List of Features

  • NOT for emission-compliant applications.
  • Plug and play Universal Ford V8 engine control, such as the 302w, 351w or 460 Big Block.
  • Includes EV1 Injector Harness
  • 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 – ¼ 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 install simpler.
  • MAP Sensor vacuum hose adapters (1/8th – ¼ and 3/16ths)
  • Plug and plug ignition capability with Dual Sync and HyperSpark Distributors, adapter 558-323 required for HyperSpark Distributors.
  • 4 Inputs – 12v, Ground, 5v, and Frequency, for things such as additional pressure sensors, or activation triggers for nitrous activation, or a trans brake
  • Boost Control – Boost vs Time, Boost vs Gear, Boost vs RPM, Boost vs Speed, Boost Safeties
  • Nitrous Control – Single Channel of Wet or Dry, Progressive or Non-Progressive, Rich/Lean Safeties, and target Closed Loop AFR
  • Advanced Tables – 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 – Engine Run – Wideband Status – TPS Calibration – Crank Signal –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


Holley Warranty - Click Here

  • Ford Mustang - 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995
  • Engines: 5.0, 5.8
Fitment Notice
  • NOT for emissions-compliant applications!
  • Fits 5.0L and 5.8L Windsor engines.
  • Due to the custom nature of this product, please be sure to read all installation manuals provided.
  • Terminator X ECU's are designed to be mounted with the LED's facing up.
  • If utilizing Ford OEM TPS and IAC sensor, must wire in Ford connector(not supplied).

California Residents:
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About This Brand


Holley

Holley, The Heart & Soul of Performance.

For over 100 years Holley has been proven to be an industry leader by providing Mustang enthusiasts and racers with the high performance carburetors , intake manifolds, cylinder heads, and other quality performance components needed for today's competition. Holley's performance Mustang parts are perfect for any daily driven or high horsepower race car.

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