Skip to product information
1 of 3

Holley

Holley EFI Terminator X Universal MPFI Kit

Holley EFI Terminator X Universal MPFI Kit

SKU:550-936

87 in stock

  • Ships from Kentucky or Utah
  • Add $300+ for $10 off of your order!
  • Add $500+ for $20 off of your order!

Shipping Estimate

Tracking: 1-2 days

Average Shipping: 2-3 days once tracking is available

Regular price $1,285.95 USD
Regular price $1,606.95 USD Sale price $1,285.95 USD
Sale Sold out
Shipping calculated at checkout.
Holley EFI Terminator X Universal MPFI Kit

58x Crank - 4x Cam - EV1 Injectors - Drive-By-Wire Throttle Body and Transmission Control - USB/CAN Tuning Cable

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 instead of the 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!

Not recommended for 4x4 applications with electronic transfer cases. Not compatible with 4L6X transmissions from model year 1995 or before due to year-by-year changes in converter lockup and downshift strategy.

Features:
  • Plug and play Domestic V8 engine control, such as conventional push rod Chevrolet and Chrysler engines.
  • Includes EV1 Injector Harness
  • High Impedance Injector Drivers will safely power most Stock injectors, and Holley EFI Injectors. Injector support chart provided in the instructions (Will not control Low Impedance Injectors)
  • Bosch LSU 4.9 wideband to relay AFR information to the ECU for accurate reading and precise tuning control.
  • Built in 1bar MAP Sensor, vacuum hose adapters included (1/8th ???? ?? and 3/16ths) - or for Boosted applications, you can disable the internal MAP sensor, and utilize an external MAP Sensor, the harness comes with the connector terminated, making the install
  • MAP Sensor vacuum hose adapters (1/8th ???? ?? and 3/16ths)
  • Plug and plug ignition capability with Dual Sync and HyperSpark Distributors, adapter 558-323 required for HyperSpark Distributors.
  • 4 Inputs ???? 12v, Ground, 5v, and Frequency, for things such as additional pressure sensors, or activation triggers for nitrous activation, or a trans brake
  • 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 domestic V8 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


Details:
  • Ignition Type: Universal
  • Injector Connector: Jetronic / Minitimer (Bosch)


Links
Instruction Sheet
Parts Guide
View full details