SKU: 44874723040

Terminator X Max 58x/4x EV1 LS MPFI Kit with DBW Throttle Body Control - 550-933

Sale price$899.98 Regular price$999.98
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Description

Terminator X Max 58x/4x EV1 LS MPFI Kit with DBW Throttle Body Control - 550-933Overview: 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

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 550-931 also has 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. 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 4.8/5.3/6.0 LS Truck Engines and LS2/LS3 with 58x Crank, 4x Cam and a Drive-By-Wire Throttle Body, with 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 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.
  • 4 Outputs – Ground, PWM - , for accessories such as; fans, boost control, nitrous control, IAC Kit, and More
  • 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 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
  • Recommended Pedal part number - 10379038
  • Includes: 58x/4x LS Engine Main Harness - EV1 Injector Harness - DBW Throttle Body Harness - Terminator X MAX ECU - ECU Main Power Harness - Bosch LSU 4.9 Wideband Oxygen Sensor - Input/Output Harness - and assorted vacuum adapters.

Application:

Year Make Model Submodel Engine Size
Universal

Specs:

Brand Holley EFI
Crank Reluctor 58x
Emission Code 3
Ignition Type GM LS 58x
Injector Connector Jetronic / Minitimer (Bosch)
Product Type Terminator X Max LS MPFI
Terminator LS Options Fuel, Spark, Drive-by-Wire
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 44874723040

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4.8 ★★★★★
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p.wills
Bozeman, US
★★★★★ 3
can find better resources, but we read it anyway
Format: Hardcover
Bought this to inspire reading....can find better resources, but we read it anyway.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 21, 2015
K
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Kayla Birch
San Leandro, US
★★★★★ 5
Super cute board book!
Format: Board book, Format: Board book
This book is amazing! So great for working on speech and language skills and kids just love it! It's so fun and the illustrations are so adorable! I love that the text is simple and short, it keeps kids attention! I also love the Let's Go Kitty book from this same author!
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Reviewed in the United States on April 30, 2026
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Lou232
Bozeman, US
★★★★★ 5
Excellent board book!
Format: Board book, Format: Board book
"Let's Go, Puppy!" is an excellent board book that teaches early sounds in a fun and interactive way. Each page is filled with vibrant colors and cute illustrations that capture a child's attention and encourage them to learn. I highly recommend, "Let's Go, Puppy!" to parents and caregivers looking for a high-quality resource for teaching early words to young children. Its engaging illustrations and carefully chosen vocabulary make it an excellent choice for children in the early stages of language development.
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Reviewed in the United States on July 2, 2023
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David R.
San Leandro, US
★★★★★ 5
Amazing!
Format: Board book
I love this book. It's a great book for children with speech issues to use to practice, and it is terrific for early literacy. The story is super cute, and the pictures are awesome. Literally, the only thing that could be improved is if the faces of the parents were shown in all the pages. I don't understand why they are cut off on several pages. Otherwise, I highly recommend!
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Reviewed in the United States on July 7, 2023
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Chelsea, US
★★★★★ 3
Definitely toddler and younger
Format: Kindle
This books is cute and has a ton of repetition. It’s very simple and sweet - but it says baby-3 years of age and I think 2.5 and under is the highest age I’d go. My three year old got bored after two readings, so we’re going to give it to her little cousin. Love that it’s a board book so it will stand up to tiny hands!
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Reviewed in the United States on July 4, 2023

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