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Description
Holley Terminator X MAX Engine Management Systems 550-927TERMINATOR X MAX MPFI W TRANS & DBW 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
TERMINATOR X MAX MPFI W/TRANS & DBW
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 550-927 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. 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:
- For GM LS 4.8/5.3/6.0 Truck Engines with 24x crank reluctor, Transmission Control, Drive-by Wire throttle body control, and Multec 2 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 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 – 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-Board Diagnostic LEDS for: ECU Power – Engine Run – Wideband Status – TPS Calibration – Crank Signal –Cam Signal. Allow you to identify any Critical engine issues a
- Nitrous Control – Single Channel of Wet or Dry, Progressive or Non-Progressive, Rich/Lean Safeties, and target Closed Loop AFRadjustable through included 3.5” full color touchscreen, base tune easily created via handheld Wizard!
- 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: 24x LS Engine Main Harness - Multec 2 Injector Harness - DBW Throttle Body 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 ass
Specs
| Brand | Holley EFI |
|---|---|
| Crank Reluctor | 24x |
| Emission Code | 3 |
| Ignition Type | GM LS 24x |
| Injector Connector | Multec 2 |
| Product Type | Terminator X Max LS MPFI |
| Terminator LS Options | Fuel, Spark, Drive-by-Wire, Transmission |
| Part Number | 550-927 |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- 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
4.3 ★★★★★
Based on 5 reviews
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Product Reviews
★★★★★ 5
Not for Honda Civics
I just want to start with saying that this is beautiful and very high quality. I really wasn’t expecting much with the price point being so low. But the cover is very soft and cozy. It is too big for my 2018 honda civic center console, I really wish it fit because I love this thing! I’ve just had it next to me while I sit on the couch and have been petting it the last couple hours. I’ll find somewhere else to put it because it’s that soft and pretty. If this will fit your car than I 100% recommend it!
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Reviewed in the United States on May 5, 2023
★★★★★ 4
Very pretty, has a bit of a smell
Only docking this item one star because of the smell. It's genuine sheepskin so it definitely smells like.... sheep. I've never bought genuine sheepskin before so I'm not sure if that's always the case. I think after it airs out for a while it should be fine, but it was a little off-putting for me at first.
Besides that though it looks BEAUTIFUL. I bought it to cover up some dog claw marks on the center console since I got my car used. It covers them up, and also makes my car look fancier. I think it should last a long time as long as I make sure to not spill anything on it.
Overall, it seems very well made, is super soft and comfortable, was good value, fit really well on the center console (I have a Subaru Forester), and it was totally worth getting.
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Reviewed in the United States on October 29, 2024
★★★★★ 5
Looks great
Color: White Gray
Fast shipping, looks great, it fits great with the rest of the fur
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Reviewed in the United States on May 19, 2026
★★★★★ 3
fits 2013 honda civic, fades to a weird blue and looks matted scruffy
Fluffy and cute! This is all I hoped it would be. It is a piece of real sheepskin with a couple of pieces of elastic sewn to the bottom to attach it to the console cover. This makes it somewhat versatile concerning fit. It is just long enough for the console in my Honda Civic, which I believe is about 11 3/4 x 6 inches. The fluffiness of the cover allows for some slack in coverage, so it does adequately cover my console. I was pleased to see that I actually got the long-haired one. I am very pleased with the product. If it hadn't worked in the car I might have kept it in the house to pet it!
Update: Over a few months the silver fur, which I thought was a natural wool color, has faded to a washed out pale aqua, and this looks very scruffy. The elastic bands that hold it in place over the console show now that it is less fluffy. I will probably wash it and see whether that will improve the situation, but I suspect this will renew the curl, and leave the band exposed. I have downgraded this to a 3 from a 5.
Further update: This looks terrible. Very scruffy, slides around. I did wash it, but it did this did not renew or make it look like natural sheepskin. Whatever processing and dying they did not this seems to have removed the natural curl. I would have preferred no dye and processing, and a natural piece of sheepskin, probably bigger to account for getting matted and smaller as it ages. Note: This one is bigger than some of these on Amazon, so measure your console and consider the size. This one barely fit when it was new.
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Reviewed in the United States on December 12, 2022
★★★★★ 5
Love it !!
Color: Black
I have own sheepskin covers and this armrest cover didn’t disappoint. I bought this for a friend and she loved it. Soft and keeps its fur like shape. The fur did not clump after being used. I would definitely recommend.
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Reviewed in the United States on July 15, 2025