Holley Terminator X Max EFI Kit 24X Crank 1X Cam/EV6/DBW TB Control General Motors LS1/LS6



  • Includes EV6 injector Harness
  • Wet/Dry/Etc. Nitrous Control
  • Bosch LSU 4.9 O2 Sensors
  • Made in the USA
MSRP $2,094.00
You save 10%

Holley X Max Terminator EFI Kit Crank 1X Cam EV6 Fuel Injectors DBW TB Control General Motors LS1 and LS6 Engines.

Holley’s X Max Terminator EFI Kit enables you to have complete control of your engine, and self-learning fuel strategies to perfectly customize the driving experience from your LS1 or LS6 engine with EV6 fuel injectors. This kit is tailored for single-cam engines with a 24x crank reluctor and a Drive-By-Wire Throttle Body. Once installed, the Terminator X Max features real-time fuel learning, high-impedance injector drivers, an integrated 1bar MAP sensor, and 4 programmable inputs and outputs. The inputs and outputs are perfect for electric fans, boost control solenoids, progressive nitrous control, and many other engine configurations.

Features and Benefits:
- Designed for GM LS1/LS6 Engines with 24x Crank Reluctor, a Drive-By-Wire Throttle Body, and EV6 Injectors
- Real-Time Fuel Map Learning Takes the Guess Work Out of Tuning Your Base Fuel Table
- High Impedance Injector Drivers Will Safely Power Most Stock LS Injectors and Holley EFI Injectors
- Uses Bosch LSU 4.9 Wideband to Relay AFR Information to the ECU for Precise Tuning Control
- On-Board 1BAR Map Sensor Is Perfect for N/a or Nitrous Engine Combos. 
- Map Sensor Vacuum Hose Adapters (1/8th – ¼ and 3/16THS)
- 4 Inputs – 12V, Ground, 5V, and Frequency, for Things Such as Additional Pressure Sensors
- 4 Outputs - Ground, PWM – for like Accessories Fans, Boost Control, Nitrous Control, IAC Kit, Etc.
- Boost Control – Boost vs Time, Boost vs Gear, Boost vs RPM, Boost vs Speed, Boost Safeties
- Nitrous Control for Single Channel of Wet or Dry, Progressive or Non-progressive, Etc. 
- Advanced Tables Can Be Used for Any Custom Table
- On-Board Diagnostic LEDs Allow You to Identify Any Critical Engine Issues at a Glance
- The 3.5” Touchscreen Handheld Contains a Calibration Wizard to Base Tune Your LS Engine
- Handheld Also Provides Internal Data-Logging and a Fully Customizable Gauge Display
- The Compact ECU Size Allows You to Mount It Virtually Anywhere
- Plug and Play Compatible with More Holley EFI Accessories
- EFI Tuning Software for Complete Control of Your Terminator X Power Plant
- Includes Drive By Wire Throttle Body Control
- Made in the USA

This EFI kit comes fully loaded with base maps for common LS1 and LS6 engine combinations to get you to streamline the setup. A 3.5" touchscreen LCD handheld is included and contains an easy-to-use calibration wizard with tuning and gauge display functions. Also included is Holley EFI's software suite, so advanced users can use a laptop for custom applications.

Please Note: If your combination requires a 2+Bar, we recommend GM 12592525, and Holley adapter part number 558-416.

Kit Includes:
- 24x LS Engine Main Harness
- EV6 Injector Harness
- DBW Throttle Body Harness
- Terminator X MAX ECU
- ECU Main Power Harness
- Bosch LSU 4.9 Wideband Oxygen Sensor
- Input/Output Harness
- Assorted Vacuum Adapters

California Residents: Proposition 65 Warning

Related Categories: Mustang Parts, Mustang Electrical & Wiring, Mustang EFI Engine & Injector Harnesses, Mustang Engine, Ford Bronco Parts

Only for use on pre-pollution controlled vehicles: This product can be used on vehicles that were manufactured before emissions control regulations were imposed. Pre-pollution vehicles are defined as:

  • 1965 and older U.S. manufactured California certified vehicles
  • 1967 and older U.S. manufactured federally certified vehicles

Vehicle Fitment

This product will fit the following Bronco years:

This product will fit the following C/K years:

  • 1988,
  • 1989,
  • 1990,
  • 1991,
  • 1992,
  • 1993,
  • 1994,
  • 1995,
  • 1996,
  • 1997,
  • 1998,

This product will fit the following C10 years:

This product will fit the following F-100 years:

  • 1948,
  • 1949,
  • 1950,
  • 1951,
  • 1952,
  • 1953,
  • 1954,
  • 1955,
  • 1956,
  • 1957,
  • 1958,
  • 1959,
  • 1960,
  • 1961,
  • 1962,
  • 1963,
  • 1964,
  • 1965,
  • 1966,
  • 1967,
  • 1968,
  • 1969,
  • 1970,
  • 1971,
  • 1972,
  • 1973,
  • 1974,
  • 1975,
  • 1976,
  • 1977,
  • 1978,
  • 1979,

This product will fit the following Mustang years:

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