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Description
TERMINATOR X MAX 58x Late Truck with 6L80 CONTROL 550-918-658x Crank 4x Cam EV6 Injectors 6L80 90 Transmission Control 3. 5 inch Touchscreen Features: Included TCM handheld tuner with integrated wizard is required for setup in conjunction with the Terminator X 3. 5 inch Handheld. Terminator X V3 software to unlock optional tuning parameters. 1 Supports ? Shift Mode ? Tap Up Tap Down, and Torque Management2 Four loose wires: 3 o Power (Red) ? Supplies power to the transmission solenoids. This should be
58x Crank - 4x Cam - EV6 Injectors - 6L80/90 Transmission Control - 3.5-inch Touchscreen
Features:
- Included TCM handheld tuner with integrated wizard is required for setup in conjunction with the Terminator X 3.5-inch Handheld. Terminator X V3 software to unlock optional tuning parameters.1
- Supports ? Shift Mode ? Tap Up / Tap Down, and Torque Management2
- Four loose wires:3
- o Power (Red) ? Supplies power to the transmission solenoids. This should be connected directly to the battery, or a constant battery source capable of supplying 5 amps4
- o Ground (Black) ? Connect to a good chassis/engine ground source5
- o Brake Switch (Light Blue/White) ? Wired to the brake light switch. This must be installed to a +12v source (as most brake light switches are)6
- o Park/Neutral Safety (Yellow) ? Circuit for starter solenoid. When the transmission is in Park or Neutral this Yellow Wire will be Grounded (-). When the transmission is in gear this circuit will be open.7
- 550-918-6 Designed for GM LS 4.8/5.3/6.0 LS Truck Engines and LS2/LS3 with 58x Crank, 4x Cam and 6L80/90e Transmission Control with EV6 Injectors8
- Real-Time fuel map learn, takes the guess work out of tuning your base fuel table.9
- 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)10
- 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.11
- 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 558-416.12
- MAP Sensor vacuum hose adapters (1/8th ? ? and 3/16ths)13
- 4 Inputs ? 12v, Ground, 5v, and Frequency, for things such as additional pressure sensors, or activation triggers for nitrous activation, or a trans brake14
- 4 Outputs ? Ground, PWM - , for accessories such as; fans, boost control, nitrous control, IAC Kit, and More15
- Boost Control ? Boost vs Time, Boost vs Gear, Boost vs RPM, Boost vs Speed, Boost Safeties16
- Nitrous Control ? Single Channel of Wet or Dry, Progressive or Non-Progressive, Rich/Lean Safeties, and target Closed Loop AFR17
- 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!18
- 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 glance19
- 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.20
- The compact ECU size allows you to mount it virtually anywhere. Remember, diagnostic LEDS must face up!21
- 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!22
- Free EFI Tuning Software for complete control of your Terminator X power plant23
- Recommended Pedal part number - 1037903824
Specs:
| Brand | Holley EFI |
|---|---|
| Crank Reluctor | 58x |
| Drive-By-Wire | No |
| Emission Code | 3 |
| Engine | Gen IV GM LS |
| Handheld Included | Yes |
| Ignition Type | GM LS 58x |
| Injector Connector | USCAR (EV6) |
| Product Type | EFI System |
| Sale Category | Air and Fuel Delivery |
| Terminator LS Options | Fuel, Spark, Transmission |
| Transmission | 6L80/6L90E |
| Warning | California Proposition 65 |
Application:
| Year | Make | Model | Submodel |
|---|---|---|---|
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
4.7 ★★★★★
Based on 11 reviews
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Product Reviews
★★★★★ 3
Runs large
Size: 7 Big Kid, Color: White
Runs very large.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 5, 2026
★★★★★ 5
a little roomy for narrow feet.
Size: 6 Big Kid, Color: Black/Black
Nice shoes. My little one has narrow feet so they are a little lose. Overall, a nice shoe.
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Reviewed in the United States on June 4, 2026
★★★★★ 5
comfortable
Size: 7 Big Kid, Color: Black/Black
super comfortable!
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Reviewed in the United States on May 30, 2026
★★★★★ 5
Great shoes
Size: 5 Big Kid, Color: Navy/Blue
Loved them but bought a size too small so had to buy another pair…my bad 🤦🏽♀️
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Reviewed in the United States on May 20, 2026
★★★★★ 4
Comfortable and Easy to Wear Daily
Size: 2 Little Kid, Color: Navy/Blue
My daughter has been wearing these navy/blue shoes since the weather has been less rainy and more sunny. They are great for outdoor play, especially on days when it's warm outside. The knit mesh upper keeps her feet from overheating, and the cushioned insole feels supportive without being stiff. At size 2, the fit is accurate and the width runs a bit roomy, which gave her some growing room without feeling loose.
The slip-on design with elastic laces and pull tabs is a real plus. She can get them on and off without any help, which she loves. The shoes are light enough that she barely notices them during long active days. My one small complaint is that the sole feels more like firm foam than rubber, so they can be a little slippery on smooth indoor floors.
For the price, these deliver solid everyday value. They look good, hold up well to regular use, and my daughter reaches for them first most mornings.
Pros:
- Breathable mesh keeps feet cool
- Easy slip-on design with elastic laces and pull tabs
- Lightweight and comfortable for all-day wear
- Accurate sizing with a roomy width
- Durable for the price
Cons:
- Sole can be slippery on hard smooth surfaces
- Limited outsole grip compared to rubber-soled shoes
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Reviewed in the United States on June 1, 2026