Memorial Day Sale - Up to 50% Off! Shop Now >

Holley EFI Terminator X Injection System (87-93 5.0L Mustang w/ Factory TFI Distributor)Find parts that fit my vehicle

Item 473189
Product Image
Our Price

$1,549.95 set

Military, Medical & First Responders $77.50 Available in AM Cash Rewards.
Confirm Eligibility

CONFIRM THIS FITS YOUR VEHICLE!

Select a different vehicle Help?
Update or Change Vehicle
    Create a list
    Add to New List

    Saved - View your saved items

    We're sorry. We couldn't save this product at this time.

    or use

    Shop Owners Save More! Sign up for our dealer program

      Product Information

      Features, Description, Q&A, Specs & Installation

      Features

        _x000D_
      • Take Control Of Your 302Ci Small Block Ford Engine In Your Fox Body Mustang With The Terminator X Engine Management System
      • _x000D_
      • Complete Engine Control Featuring Self-Learning Fuel Strategies For Improved Performance
      • _x000D_
      • Includes Real-Time Fuel Learning And High Impedance Injector Drivers Compatible With Most Stock Or Holley EFI Injectors
      • _x000D_
      • Equipped With An Integrated 1 Bar MAP Sensor And Four Programmable Input/Output Channels
      • _x000D_
      • Plug-And-Play Compatibility With Factory 302Ci Small Block Ford TFI Distributor
      • _x000D_
      • Includes ECU Mounting Bracket, TFI Ignition Adapter, Fox Body Specific Engine Harness, MAT, And CTS Sensors
      • _x000D_
      • Comes With An EV1 Injector Harness To Replace Stock Injector Harness
      • _x000D_
      • Utilizes Bosch LSU 4.9 Wideband Oxygen Sensor For Accurate Air/Fuel Ratio Monitoring
      • _x000D_
      • Built-In 1 Bar MAP Sensor With Vacuum Hose Adapters; Sensor Can Be Disabled For Boosted Engine Applications
      • _x000D_
      • Supports Plug-And-Play Ignition With Dual Sync And HyperSpark Distributors
      • _x000D_
      • Four Programmable Inputs For Additional Sensors And Activation Triggers Including 12V, Ground, 5V, And Frequency Signals
      • _x000D_
      • Advanced Calibration Tables Including Multiple 1D And 2D Maps With Per Gear Tuning Available
      • _x000D_
      • On-Board Diagnostic LEDs Indicate ECU Power, Engine Running Status, Wideband Sensor Status, TPS Calibration, Crank, And Cam Signal Detection
      • _x000D_
      • Compact ECU Design Allows Multiple Mounting Options For Flexible Installation
      • _x000D_
      • Handheld 3.5" LCD Touchscreen Features A Calibration Wizard For Quick Base Tuning Of Domestic V8 Engines
      • _x000D_
      • Designed To Fit 1987-1993 5.0L Fox Body Mustang Equipped With Factory TFI Distributor
      • _x000D_

      Description

      Advanced Engine Control. The Holley EFI Terminator X Injection System offers superior management of factory 302ci Small Block Ford engines in Fox Body Mustangs. It replaces the stock ECU with a powerful system that provides comprehensive tuning capabilities, including self-learning adjustments and real-time fuel strategies to enhance engine performance. This system is ideal for enthusiasts seeking precise engine control with proven EFI technology in an accessible package.

      _x000D__x000D_

      Construction and Appearance. The system features durable electronic components housed within a compact ECU, complemented by a robust mounting bracket and vehicle-specific harnesses. It includes high-quality sensors such as the Bosch LSU 4.9 wideband oxygen sensor and an integrated 1 Bar MAP sensor equipped with multiple vacuum hose adapters. The handheld touchscreen offers a clear 3.5" LCD display with intuitive calibration controls, ensuring ease of use and reliability.

      _x000D__x000D_

      Installation. Installation is straightforward using the plug-and-play harnesses designed specifically for the Fox Body Mustang 5.0L with the factory TFI distributor. No drilling or complex modifications are typically required, making this system accessible to users with intermediate mechanical skills.

      _x000D__x000D_

      Warranty. This product includes a limited warranty covering defects in materials and workmanship as provided by the manufacturer.

      _x000D__x000D_

      Application. Designed exclusively for 1987-1993 5.0L Mustang models with the factory TFI distributor, the system fits perfectly and maintains compatibility with stock ignition and fuel systems for seamless integration.

      Holley EFI 550-937F

      CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

      Installation & What's in the Box

      Installation Info

      Installation Time

      (approx) 4 Hours

      Difficulty Level:

      Mechanical expertise or professional installation required.

      Installation Guides

        No guide available for this part yet.

      What's in the Box

      • (1) Terminator X ECU With Mounting Bracket
      • (1) Engine Harness (Fox Body Specific)
      • (1) EV1 Injector Harness
      • (1) TFI Ignition Adapter
      • (1) Bosch Wideband Sensor (LSU 4.9)
      • (1) MAT Sensor
      • (1) CTS Sensor
      • (1) 3.5" LCD Handheld Controller

      Tech Specs

      Questions & Answers

      No questions about this product yet. Ask the First Question

      Will It Fit My Mustang

      • Cobra - 93
      • Cobra R - 93
      • GT - 87, 88, 89, 90, 91, 92, 93
      • LX - 87, 88, 89, 90, 91, 92, 93