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550-1422 Terminator X Max MPFI Controller Kit
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HOLLEYPART NUMBER: 510-550-1422

550-1422 Terminator X Max MPFI Controller Kit

$2,03895$2399.95You Save$361.00
ShippingShips on 09/08/2026
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Mopar
HEMI Gen. III
Terminator X Max MPFI Controller Kit
  • 2007-2012 Gen III HEMI Engines Non-VVT
  • DBW Throttle Bodies
  • EV1 Injector Harness
  • Tune Using Included 3.500 in. Handheld Touchscreen

    Features:

    • Plug-and-play engine control for 2007-2012 Gen III HEMI Engines Non-VVT
    • For drive-by-wire DBW) throttle bodies
    • Injector harness for EV1 injectors - Jetronic / Minitimer (Bosch) connector-type
    • High Impedance Injector Drivers safely power most stock injectors and Holley EFI injectors
    • Bosch LSU 4.9 wideband oxygen sensor (O2) for accurate readings and precise tuning control
    • Built-in 1bar manifold absolute pressure (MAP) sensor for boosted applications - the internal sensor can be disabled to run an external MAP sensor (not included) with terminated harness and connector (included)
    • 1/8 (.125) in., 1/4 (.250) in., and 3/16 (.1875) in. vacuum hose adapters included
    • 4 Inputs - 12 V, ground, 5 V, and frequency can be used for activation triggers, trans brake, and to add extra pressure sensors
    • Boost Controls - Ability to control boost vs time, boost vs. gear, boost vs. RPM, boost vs. speed, boost vs. safeties
    • Nitrous Controls - Single Channel Wet or Dry, Progressive or Non-Progressive, rich/lean safeties, and target closed-loop AFR
    • Advance Tables - 4x 1D table, 1x 1D gear table, 4x 2D table, 1x 2D per gear table - can be used for custom tables with unlimited configurations
    • On-board Multi-Color LED Diagnostic - Allows quick troubleshooting on critical issues for ECU power, engine running, wideband status, TPS calibration, crank signal, cam signal
    • A 3.500 in. LCD touchscreen provides easy base tuning with the calibration wizard along with gauge displays and data logging
    • The compact ECU (7.450 in. x 4.100 in. x 1.660 in.) can be mounted virtually anywhere
    • Free software tuning/downloads for complete control and staying up-to-date
    • Note:
      • The ECU's diagnostic LED’s must be installed facing upwards 

    Emissions Note:

    This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

    CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART

  • Part TypeEngine Control Module
    BrandHOLLEY
    Package Height9.5
    Package Width12.5
    Package Length14.0
    Weight9.0 PG
    Part CategoryPerformance Parts
    Wiring Harness IncludedYes
    Wire Connectors IncludedYes
    Housing FinishBlack
    Housing MaterialPlastic
    Connector GenderFemale
    QuantitySold as a kit
    Injection StyleEFI
    Part FitmentSemi Universal
    Vendor Part Number550-1422
    Package Qty1
    Package TypeEA
    No Questions
    No Reviews

    REPLACEMENT PARTS

    554-153 Terminator X Max Replacement ECU

    HOLLEY

    554-153 Terminator X Max Replacement ECU

    Part Number : 510-554-153
    $1,29995
    Some parts are not legal for use in California or other states with similar laws / regulations
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