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Holley

Terminator X MPFI Kit GM LS2/LS3 Late Truck

$1,574.95 $1,231.95 Save $343.00

SKU: H00E 550-905T

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In Stock
Ships by Sep 20
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INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

Terminator X ECUs are designed for GM LS-Series engines with a 58x Reluctor Wheel. Key features include real-time fuel map learning, high impedance injector drivers, and a Bosch LSU 4.9 wideband sensor for accurate AFR. It offers 4 inputs (12v, Ground, 5v, Frequency) and 4 outputs (Ground, PWM) for accessories like fans, boost control, and nitrous control. Boost control features include Boost vs Time, Gear, RPM, and Speed, along with boost safeties. Nitrous control offers single channel wet or dry, progressive/non-progressive, rich/lean safeties, and closed-loop AFR. On-board diagnostic LEDs provide quick identification of critical engine issues. Advanced tables (4x 1D, 1x 1D per Gear, 4x 2D, 1x 2D per Gear) allow for custom tuning, such as Flex Fuel sensor offsets or pressure safeties. The compact ECU comes with a CAN/USB tuning cable for real-time configuration. It's plug-and-play compatible with Holley EFI accessories like analog gauges, shift lights, and future 12.3\" digital dash support. Free EFI Tuning Software is included. The kit comprises: 58x/4x LS Engine Main Harness, EV6 Injector Harness, Terminator X ECU, ECU Main Power Harness, Bosch LSU 4.9 Wideband Oxygen Sensor, Input/Output Harness, and various vacuum adapters.
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Part #: 550-905T

Take control of your LS engine with Terminator X! 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!

Features:

  • Designed for GM LS Engines with 58x Crank, 4x Cam - 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 systems utilize the Bosch LSU 4.9 wideband to relay AFR information to the ECU for accurate reading and precise tuning control.
  • MAP Sensor vacuum hose adapters (1/8th - ┬╝ 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
  • 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
  • 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!
  • 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
  • Includes: 58x/4x LS Engine Main Harness - EV6 Injector Harness - Terminator X ECU - ECU Main Power Harness - Bosch LSU 4.9 Wideband Oxygen Sensor - Input/Output Harness - and assorted vacuum adapters.

58x Crank - 4x Cam - EV6 Injectors - USB/CAN Tuning Cable

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

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Specifications

BrandHolley
Part NumberH00E 550-905T
Weight7.6 lb

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