SKU: 8133294093

Terminator X 58x/4x EV1 LS MPFI Kit - Without 3.5 Handheld - 550-910T

Sale price$652.48 Regular price$724.98
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Ships within 48 hours · Estimated delivery Aug 4 - Aug 9

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Description

Terminator X 58x/4x EV1 LS MPFI Kit - Without 3.5 Handheld - 550-910TOverview: 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! Terminator X features real time fuel learn, high impedance injector drivers, an integrated 1bar MAP sensor, and 4 programmable inputs and outputs. The inputs and

Overview:

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! Terminator X 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. Terminator X 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 has the features and technology you need at a price that won't break the bank!

Features:

  • Designed for GM LS Engines with 58x Crank, 4x Cam - 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 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 – 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
  • 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 - EV1 Injector Harness - Terminator X 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 LS MPFI
Terminator LS Options Fuel, Spark
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: 8133294093

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4.4 ★★★★★
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Sam
Grantham, US
★★★★★ 5
Dogs approved
Flavor Name: Beef & Chicken, Size: 18 Count (Pack of 1)
My dogs love these. Even my picky old GSD.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 24, 2026
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Verified Purchase
Catherine M. Greenwalt
Waukegan, US
★★★★★ 3
Better at meijer
Flavor Name: Beef & Chicken, Size: 18 Count (Pack of 1)
It what I am used to buying in the store. The same brand at Meijer is cheaper and chews are much better
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 18, 2026
M
Verified Purchase
Michael Valentino
Draper, US
★★★★★ 5
Very Good Buy
Flavor Name: Beef & Chicken, Size: 18 Count (Pack of 1)
If I could buy these by the case !! I would buy ten cases !! My 3 German Sheperds LOVE THESE TREATS.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 26, 2026
T
Verified Purchase
toofew
Draper, US
★★★★★ 5
Made in the U.S.A and Cash the Border Collie LOVES them! No stomach upset!
Our dog, Cash the Border Collie is 55 labs and he LOVES these. We bought these a while ago and they were put away in an odd cupboard. Found them a couple days ago and I decided to see if Cash would eat them. He is not much of a rawhide dog. Well, I think we have found his brand of BEEFHIDE He is one happy camper with this treat! We bought these mainly because they made in the U.S.A. While they may not be the all natural ingredients some look for, it is a treat and he likes it. 20 pk Assorted Beef and Chicken 5" rolls (Chip rolls) 100% American Beefhide Follows GFSI food quality standards Ingredients: American Beefhide, Maltodextrin,Chicken flavor, beef flavor, Caramel, Hydrolized poultry Liver, Brewers dried yeast, Guar Gum, mixed Tocopherols. Ok, the yummiest part of the ingredients to me is the Caramel. I know, bad for Cash's teeth. But he will get these ONLY if he is a Good Dog. And if you look at the front of the package the dog is saying 'I've been good.' The beef flavored ones did leave a small stain that I cleaned up easily, but really, he ate it within 10 minutes so not much of anything. I think the people who are complaining about staining have dogs who are slower chewers. No staining with the chicken flavored rolls. Cash does not seem to care if he gets the beef or the chicken. At first he licks the roll for a minute or 2 and then he can't wait any longer and the chewing begins. He has not had any diarrhea or any other stomach problems with these. They are small, but we knew that when we bought them and we knew they wouldn't last long. That's ok, they are a treat, not a bone for him to chew on forever. Hope you like the pictures. Sorry about he red eye. If you find this review helpful, please click the button below.
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Reviewed in the United States on September 8, 2016
M
Verified Purchase
Marilyn S.
New York, US
★★★★★ 5
Beefhide chews
Flavor Name: Beef & Chicken, Size: 18 Count (Pack of 1)
My Shih Zhu loves them and the great thing is that they are made in the US.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 18, 2026

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