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Description
EFI Terminator X Max - LS1/LS624x Crank - 1x Cam - EV1 Injectors - Transmission Control - USB/CAN Tuning CableHolley EFI Terminator X Max LS1 LS6 24x Crank 1x Cam EV1 Injectors Transmission Control 3. 5 in. Touchscreen 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
Holley EFI Terminator X Max - LS1/LS624x Crank - 1x Cam - EV1 Injectors - Transmission Control - 3.5 in. Touchscreen
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 550-916 also has 4L60E or 4L80E Transmission 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!
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:
- For GM LS1/LS6 engines with 24x crank reluctor with EV1 injectors and 4L60E/4L80E transmissions
- 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 Max 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.
- 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
- 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
- Includes: 24x LS Engine Main Harness - EV1 Injector Harness - 4L60E/4L80E Transmission Control Harness - Terminator X MAX ECU - ECU Main Power Harness - Bosch LSU 4.9 Wideband Oxygen Sensor - Input/Output Harness - and assorted vacuum adapters.
Details:
- Crank Reluctor: 24x
- Ignition Type: GM LS 24x
- Injector Connector: Jetronic / Minitimer (Bosch)
- Terminator LS Options: Fuel, Spark, Transmission
Links
Instruction Sheet
Instruction Sheet
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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4.4 ★★★★★
Based on 29 reviews
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Product Reviews
★★★★★ 4
Good taste. A bit dry texture.
Flavor Name: Traditional, Size: 4 Ounce (Pack of 1)
Great taste. Unusual flavor but still good. It was a very dry texture. I do want to try another flavor.
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Reviewed in the United States on September 19, 2025
★★★★★ 3
Meh
Flavor Name: Traditional, Size: 2 Ounce (Pack of 3)
It’s just okay. I’ve been looking for something that is as close to possible as dry wors in South Africa. This is not it. Is it dry wors? Yes. But is it good dry wors? No; it is very average. I wouldn’t buy it again. I’ll have to keep on searching for that yummy, moist, soft, flavorful dry wors that seems so elusive on this side of the pond.
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Reviewed in the United States on May 13, 2026
★★★★★ 5
Droewors + WHY BARS
Flavor Name: Traditional, Size: 1 Ounce (Pack of 12)
I like them as they are a quick snack on the go. I go for these beef sticks and I eat lots of tasty WHY BARS to get high-quality nutrition for my busy lifestyle. Why not!
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Reviewed in the United States on August 25, 2025
★★★★★ 2
Droewors is very hard
Flavor Name: Traditional, Size: 4 Ounce (Pack of 1)
This is very hard, unlike Howdysnax droewors, which is soft and delicious
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Reviewed in the United States on October 11, 2025
★★★★★ 5
Re-Reviewed and this stuff really is way better than store bought jerky. Way, way, better.
Flavor Name: Traditional, Size: 4 Ounce (Pack of 1)
I am updating this my original review which was a 1 star. The original product I received was quite hard and what I did try had no flavor. The seller without request from me went out their way to ensure I then received a replacement which was completely different. The new stuff had a firm nice chew you expect from jerky and had enormous flavor that I am loving. This is a real world class seller and I can't say enough positive things about how they handled the situation entirely of their own accord, since I was just planning to move on and not seek any fix with them. Thank you for convincing me otherwise and I will be back.
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Reviewed in the United States on September 6, 2018