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$1,392.95
Holley 550-920 Terminator X Max 58X/4X EV1 LS MPFI Kit
Holley 550-920 Terminator X Max 58X/4X EV1 LS MPFI Kit

Holley 550-920 Terminator X Max 58X/4X EV1 LS MPFI Kit

Universal Fit, 58x Crank Reluctor, 4x Cam Trigger, Factory GM Ignition Type

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Holley 550-920 Terminator X Max 58X/4X EV1 LS MPFI Kit
Holley 550-920 Terminator X Max 58X/4X EV1 LS MPFI Kit
Holley 550-920 Terminator X Max 58X/4X EV1 LS MPFI Kit
Holley 550-920 Terminator X Max 58X/4X EV1 LS MPFI Kit
Holley 550-920 Terminator X Max 58X/4X EV1 LS MPFI Kit
Holley 550-920 Terminator X Max 58X/4X EV1 LS MPFI Kit
Holley 550-920 Terminator X Max 58X/4X EV1 LS MPFI Kit
Holley 550-920 Terminator X Max 58X/4X EV1 LS MPFI Kit
Holley 550-920 Terminator X Max 58X/4X EV1 LS MPFI Kit
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Holley 550-920 Terminator X Max 58X/4X EV1 LS MPFI Kit
Holley 550-920 Terminator X Max 58X/4X EV1 LS MPFI Kit
Holley 550-920 Terminator X Max 58X/4X EV1 LS MPFI Kit
Holley 550-920 Terminator X Max 58X/4X EV1 LS MPFI Kit
Holley 550-920 Terminator X Max 58X/4X EV1 LS MPFI Kit
Holley 550-920 Terminator X Max 58X/4X EV1 LS MPFI Kit
Holley 550-920 Terminator X Max 58X/4X EV1 LS MPFI Kit
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We estimate this item will ship on or before September 7th.
Part # 425550920
$1,392.95
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Details

Crank Reluctor:
58x
Cam Trigger:
4x
Ignition Type:
Factory GM
Injector Connector:
Jetronic / Minitimer (EV1)
MAP Sensor Included:
Yes
Tuner Style:
Touchscreen Handheld
Transmission Control:
Yes
Throttle Style:
Cable Driven
Oxygen Sensor Style:
Bosch
MFG. Part #:
550-920
GTIN Code:
090127064320
Sold in Quantity:
Kit

Info

TERMINATOR X MAX 58X/4X EV1 LS MPFI KIT WITH TRANSMISSION CONTROL

GM LS 58x Crank, 4x Cam - 4.8/5.3/6.0 Truck Engines and LS2/LS3 - 4L60E/4L80E Transmission Control, No Laptop Required, 3.5" Touchscreen Included

Take control of your LS engine with Terminator X Max! 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. Part number 550-918 also has 4L60E or 4L80E Transmission control. Terminator X Max comes fully loaded with base maps for common LS 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 EFI's 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 MAX has the features and technology you need at a price that won't break the bank!

Features:

  • Designed for GM LS 4.8/5.3/6.0 LS Truck Engines and LS2/LS3 with 58x Crank, 4x Cam and 4L60E/4L80E transmissions, and EV1 Injectors
  • 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. Injector support chart provided in the instructions (Will not control Low Impedance Injectors)
  • All of the new Terminator X Max systems utilize the Bosch LSU 4.9 wideband to relay AFR information to the ECU for accurate reading and precise tuning control.
  • On-Board 1bar MAP sensor, is perfect for N/A or Nitrous engine combos. If your combination requires a 2+Bar, we recommend GM 12592525, and our adapter part number 558-416.
  • 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, or activation triggers for nitrous activation, or a trans brake
  • 4 Outputs Ground, PWM - , for accessories such as; fans, boost control, nitrous control, IAC Kit, and More
  • Boost Control Boost vs Time, Boost vs Gear, Boost vs RPM, Boost vs Speed, Boost Safeties
  • Nitrous Control Single Channel of Wet or Dry, Progressive or Non-Progressive, Rich/Lean Safeties, and target Closed Loop AFR
  • Advanced Tables 4x 1D Tables, 1x 1D per Gear Table, 4x 2D Tables, 1x 2D per Gear Table, can be used for any custom tables you can dream up, such as Flex Fuel Sensor Offset Table, or a custom fuel or oil pressure safety!
  • On-Board Diagnostic LEDS for: ECU Power Engine Run Wideband Status TPS Calibration Crank Signal Cam Signal. Allow you to identify any Critical engine issues at a glance
  • The included 3.5" Touchscreen Handheld contains a calibration wizard, that allows you to quickly build a base tune for any LS engine. Additionally the handheld provides internal data-logging and a fully customizable gauge display.
  • The compact ECU size allows you to mount it virtually anywhere. Remember, diagnostic LEDS must face up!
  • Plug and play compatible with more Holley EFI accessories such as; analog style gauges, shift lights, various modules, and coming soon, 12.3" digital dash support!
  • Free EFI Tuning Software for complete control of your Terminator X power plant
  • Includes: 58x/4x LS Engine Main Harness - EV1 Injector 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 vacuum adapters.
  • Charts

    Instruction Sheet (PDF)

    Instruction Sheet (PDF)

    Parts Guide (PDF)

    LS2 Main Harness Wiring Diagram (JPG)

    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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