Terminator X Max 58x/4x EV1 LS MPFI & DBW Throttle w/o 3.5 Handheld - 550-933T
SKU: 48336600253

Terminator X Max 58x/4x EV1 LS MPFI & DBW Throttle w/o 3.5 Handheld - 550-933T

Sale price$877.48 Regular price$974.98
Save 10%

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jul 5 - Jul 10

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

Description

Terminator X Max 58x/4x EV1 LS MPFI & DBW Throttle w/o 3.5 Handheld - 550-933TOverview: 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. 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!

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
  • 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 - 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: 48336600253

Discover Niche Categories That Outsell

Top-Converting Item to Boost Your Average Order

4.2 ★★★★★
Based on 674 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
L
Verified Purchase
lyric
Lake Worth, US
★★★★★ 5
So cutie
Color: Cloud White, Material Type: Paper, PU
This is a bit large for a travel size jewelry box lol I really thought it was going to be a bit smaller than what it was. I can see why some of the ladies in the comments are saying they’re using it as their main jewelry box since they don’t have much jewelry for a standard sized jewelry box. With that being said, it’s cute and CAN be small enough for travel. It fits a lot and I got this one in particular bc I like that it has a bigger lower compartment for larger pieces. It’s a nice quality travel jewelry box. It’ll fit my needs. But if you have a knack for packing small and you value space. I’d say skip on this one or do due diligence to double check the measurements to see if it’s something you’re okay with packing.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 31, 2026
D
Verified Purchase
Deena M
Charlottesville, US
★★★★★ 5
Good value
Color: Jelly Pink, Material Type: Paper, PU
This is a great jewelry box for travel or to just keep at home. Very stylish and holds more than it looks like it would.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 10, 2026
C
Verified Purchase
Chavely
Los Angeles, US
★★★★★ 5
CUTE
Color: Cloud White, Material Type: Paper, PU
I absolutely love this jewelry organizer! The 2-layer design gives it plenty of space without being bulky, making it perfect for travel. I was able to neatly store my earrings, necklaces, rings, and bracelets without anything getting tangled. The interior is soft and protects my jewelry really well, and the compartments are thoughtfully designed to keep everything in place. The compact size fits easily in my suitcase or handbag, which is a huge plus. The cloud white color looks elegant and makes it feel like a great gift option too. Overall, it’s practical, stylish, and very convenient for keeping jewelry organized on the go. Highly
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 20, 2026
L
Verified Purchase
Lisa T.
Omaha, US
★★★★★ 5
I bought myself one and this one was gift for a friend.
Color: Cloud White, Material Type: Paper, PU
Very classy travel jewelry box. Just the size. Made well.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 19, 2026
V
Verified Purchase
VICKI CARROLL
Omaha, US
★★★★★ 4
Nice Jewelry Box
Color: Jelly Pink, Material Type: Paper, PU, Color: Jelly Pink, Material Type: Paper, PU
Really nice jewelry box just smaller than expected. My fault for not checking the dimensions first. It’s a great value for the price.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 11, 2026

recommand products