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Holley 550-1317 Terminator X Max, Ford Modular 2V, EV6 Injectors
Holley 550-1317 Terminator X Max, Ford Modular 2V, EV6 Injectors

Holley 550-1317 Terminator X Max, Ford Modular 2V, EV6 Injectors

Universal Fit, Ford 2V Mod Stock Coils Ignition Type, USCAR (EV6) Injector Connector

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Holley 550-1317 Terminator X Max, Ford Modular 2V, EV6 Injectors
Holley 550-1317 Terminator X Max, Ford Modular 2V, EV6 Injectors
Holley 550-1317 Terminator X Max, Ford Modular 2V, EV6 Injectors
Holley 550-1317 Terminator X Max, Ford Modular 2V, EV6 Injectors
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We estimate this item will ship on or before March 4th.
Part # 4255501317
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Ignition Type:
Ford 2V Mod Stock Coils
Injector Connector:
MAP Sensor Included:
Tuner Style:
Touchscreen Handheld
Transmission Control:
Oxygen Sensor Style:
MFG. Part #:
GTIN Code:
Sold in Quantity:


Introducing Terminator X Max Kits for the Modular Ford engine and the 1998 and newer Ford 4R70W or 4R75W Transmission. 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, an integrated 1bar MAP sensor, and 4 programmable inputs and outputs. The inputs and outputs are ideal for electric fans, boost control solenoids, progressive nitrous control, and much more.
  • Terminator X 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 3.5" touch screen LCD handheld contains an easy to use calibration wizard as well as tuning and gauge display functions.
  • Also included is Holley EFIs 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 wont break the bank!


    • Plug and play engine control (for Ford Modular Engines, 4.6L 2V, or 5.4L 2V)
    • Included transmission harness gives you plug and play control of 1998+ Ford 4R70W or 4R75W transmission.
    • EV1 or EV6 injector harness included (depending on what harness is required for your injector configuration.)
    • 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)
    • Included Bosch LSU 4.9 wideband oxygen sensor 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 LEDs must face up!
    • FREE EFI Tuning software - For compete control of your Terminator X power plant
  • Application

    Fits Ford 2 Valve Modular Motors with stock coils and EV6 injectors, and 4R70W transmission control.


    Instruction Sheet (PDF)

    Important Messages

    • This item ships directly from the manufacturer. It may take an additional 25 business days for Holley to ship this item.
    • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
    • This item ships via Ground Shipping only. Expedited and Air shipping options are not available.
    Some parts are not legal for use in California or other states with similar laws/regulations

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