Holley Terminator X EFI Kit For 24x Crank 1x Cam And EV1 Injector LS1/ LS6 Engine



  • Loaded With Base Tunes
  • Complete Package
  • Full Range of Features
  • Simple User Interface
MSRP $2,000.00
You save 10%

Holley Terminator X EFI Kit for LS1 and LS6 Engines with 24x Crank, 1x Cam And EV1 Injectors.

Take control of your LS engine with Terminator X Max (550-926) from Holley! Loaded with base tunes and fully equipped with all the features you could want, this kit takes the wiring guesswork out of a modern LS swap. Whatever you're putting an LS into, Holley can help you run it!

Features and Benefits:
- For GM LS1/LS6 engines with 24x crank reluctor with EV1 injectors and 4L60E/4L80E transmissions, and drive-by wire throttle body control.
- Real-Time fuel map learn, 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.
- Accurate reading and 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)
- Boost And Nitrous Control
- On-Board Diagnostic LEDS
- Allows you to quickly build a base tune for any LS engine.
- Plug and play compatible with more Holley EFI Accessories
- Free EFI Tuning Software for complete control of your Terminator X power plant
- Recommended Pedal part number - 10379038

Don't settle for a junkyard ECU with a cumbersome tuning interface when you can have complete control of your engine, self-learning fuel strategies and the proven, race-winning technology of Holley EFI at a budget-friendly price! Terminator X Max 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. Whether you are building a budget beater or a boosted race car, Terminator X MAX has the features and technology you need at a price that won't break the bank!

This Kit Includes: 24x LS Engine Main Harness - EV1 Injector Harness - DBW Throttle Body Harness - 4L60E/4L80E Transmission Control Harness - Terminator X MAX ECU - ECU Main Power Harness - Bosch LSU 4.9 Wideband Oxygen Sensor - Input/Output Harness - and assorted

California Residents: Proposition 65 Warning

Vehicle Fitment

This product will fit the following Bronco years:

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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