725 SOUTH LA CADENA DRIVE COLTON CA USA 92324
909.291.7550

HOLLEY EFI TERMINATOR X MAX - GEN IV 4.8/5.3/6.0 GM TRUCK ENGINES AND LS2/LS3 W/ OR W/O TOUCH SCREEN

HOLLEY EFI TERMINATOR X MAX - GEN IV 4.8/5.3/6.0 GM TRUCK ENGINES AND LS2/LS3 W/ OR W/O TOUCH SCREEN
HOLLEY EFI TERMINATOR X MAX - GEN IV 4.8/5.3/6.0 GM TRUCK ENGINES AND LS2/LS3 W/ OR W/O TOUCH SCREENHOLLEY EFI TERMINATOR X MAX - GEN IV 4.8/5.3/6.0 GM TRUCK ENGINES AND LS2/LS3 W/ OR W/O TOUCH SCREENHOLLEY EFI TERMINATOR X MAX - GEN IV 4.8/5.3/6.0 GM TRUCK ENGINES AND LS2/LS3 W/ OR W/O TOUCH SCREEN
HOLLEY EFI TERMINATOR X MAX - GEN IV 4.8/5.3/6.0 GM TRUCK ENGINES AND LS2/LS3 W/ OR W/O TOUCH SCREENHOLLEY EFI TERMINATOR X MAX - GEN IV 4.8/5.3/6.0 GM TRUCK ENGINES AND LS2/LS3 W/ OR W/O TOUCH SCREENHOLLEY EFI TERMINATOR X MAX - GEN IV 4.8/5.3/6.0 GM TRUCK ENGINES AND LS2/LS3 W/ OR W/O TOUCH SCREEN
HOLLEY EFI TERMINATOR X MAX - GEN IV 4.8/5.3/6.0 GM TRUCK ENGINES AND LS2/LS3 W/ OR W/O TOUCH SCREEN

Part Number: HLY-550-935

Price: $911.95 - $2,057.95
Ships Directly From Manufacturer
Injector Connector:
Crank Reluctor:
Drive-By-Wire:
Handheld Screen Included:
Transmission:
Quantity:

HOLLEY EFI TERMINATOR X MAX - GEN IV 4.8/5.3/6.0 GM TRUCK ENGINES AND LS2/LS3 W/ OR W/O TOUCH SCREEN Product Description:

Overview

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 550-928 also has 4L60E or 4L80E Transmission control and Drive-By Wire Throttle Body 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. These Terminator X kits include a USB/CAN tuning cable or the optional 3.5" Handheld LCD, these kits require the use of the free Terminator X Software for initial setup. The Terminator X Software includes multiple base calibrations to choose from for either naturally aspirated or boosted engines.


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, Drive-by wire throttle body control, and EV6 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, Holley recommends GM 12592525, and Holley EFI 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.
  • Includes CAN/USB tuning cable allowing you to configure your ECU and Tuning the engine in real time.
  • 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.
  • Recommended Pedal part number - 10379038.


Includes:

  • 58x/4x LS Engine Main Harness.
  • EV6 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.

Specifications

Brand: Holley EFI
Part Number: HLY-550-935
Other Part Number: 550-935
Part Type: Engine Management
Transmission Controller Included: Yes
High Impedance Injectors: Up to 8
Coils: Up to 8
Analog Inputs: 4
Wideband Controller: Yes
Wideband Channels: 1
CANBUS Enabled: Yes
CANBUS Networks: 1
Knock Control: Yes
Knock Channels: 2
Drive-By-Wire Capable: Yes
Drive-By-Wire Channels: 1
VVT Control: No
Boost Control: Yes
Nitrous Control: Yes
Traction Control: No
Launch Control: No
Engine Protection: Yes
Flex Fuel Compatible: No
Multi-fuel Capable: No
Data Logger: No
Oxygen Sensor Included: Yes
Display Included: Yes
Handheld Controller Included:
Yes
Quantity: Sold as a kit.
In Store Pickup: Colton, CA, USA

Application

Fits 4.8L, 5.3L, and 6.0L truck engines as well as LS2 and LS3 engines with a 58x crank trigger, 4x cam, 1bar MAP sensor, EV1 injector harness, drive by wire throttle body (6-pin pedal connector), and Pre-2009 4L60E or 4L80E transmissions. Includes a 3.5 inch touchscreen display. Cannot program through EFI Standalone Digital Dash Kits. This kit does not operate variable valve timing (VVT) or displacement on demand (DOD) systems.

Suggested Parts

Product Video

Warranty

Holley Performance Products, Inc. products are warranted to be free from defects in material and workmanship for a period of 90 days from the date of purchase, except Avenger series carburetors, which carry a lifetime warranty on parts and a one-year warranty on labor. Any Holley deep cell battery also carries a one-year warranty. For select carburetors and superchargers, there will be a core charge. If the part qualifies, there will be a letter and a call tag included in the box from Holley.

The part must be returned to Holly, and if it is in acceptable condition, Holly will issue credit directly to the customer. In addition, Holley Performance Products, Inc.'s limited warranty specifically does not apply to products which have been modified or altered in any way, subjected to adverse conditions such as misuse, neglect, accident, improper installation or adjustment, dirt or other contaminants, water, corrosion or faulty repair, or used in applications other than those recommended by Holley Performance Products, Inc. This warranty does not warrant and disclaims all liability for products used in racing activities and/or applications, other than those specifically recommended by Holley Performance Products, Inc.

Product Reviews Write A Review

Sort Reviews by: Date | Rating Comments

1 5 out of 5 stars by EFI now. on June 24th 2024

Easy install and set up

Customer Review: I thought I might be overwhelmed trying to install this by my self, but it was very easy. Thanks CBM.

Product Q & A


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