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Description
TERMINATOR X MAX 58x Late Truck with 6L80 and DBW Control 550-928-658x Crank 4x Cam EV6 Injectors Drive By Wire Throttle Body and 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
58x Crank - 4x Cam - EV6 Injectors - Drive-By-Wire Throttle Body and 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
- 550-928-6 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, Drive-by wire throttle body control, and 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 | Yes |
| 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, Drive-by-Wire, 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
4.4 ★★★★★
Based on 26 reviews
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Product Reviews
★★★★★ 5
Cute durable dog toy that my puppy loves
Color: Blue, Size: 8 IN
This small light weight dog toy is very durable, super cute, and my dog loves it. My dog tears everything up but he hasn't made a dent in this; very durable and chew resistant. He seems to really like that it makes a lower squeak noise. I threw this in my cart at the last minute before checkout and I am pleasantly surprised with the quality. I would say this toy is worth the price; suitable for small to medium sized dog.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 2, 2026
★★★★★ 5
Nice toy for a bigger dog
Color: Gray, Size: 6 IN
My little rescue chihuahua has exactly one toy he can make squeak. This one is cute and he did try, but no luck. I have two large baskets of toys I've bought in the 3 years I've had him. He is only able to make one squeak. He loves it to death because he loves the squeak. It's a hedgehog that I will try to find on Amazon and replace. Poor little dog just has a very small mouth.
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Reviewed in the United States on June 3, 2026
★★★★★ 5
Semi durable
Color: Gray, Size: 8 IN
My dog has had this for 1 month, and it is still doing good! It has lost 3 out of 4 legs, but thw body is pretty strong. Dog loves the honk noises.
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Reviewed in the United States on March 7, 2026
★★★★★ 5
Luxurious Feel, Durable Build… but Full Rotation Privileges Have Been Revoked 💙🦴 🐾
Color: Blue, Size: 6 IN, Color: Blue, Size: 6 IN
🐾 Hi, I’m PVD; toy curator, plush critic & occasional chew sommelier.
This armadillo arrived beautifully packaged and immediately met my standards for texture, squeak clarity and cuddle factor. I originally gave it 5 stars for quality; and still do! But today I’m updating the review to reflect my current toy lifestyle rotation. 😌
What impressed me from day one:
✔️ High-end plush feel; soft enough to nap on, tough enough for energetic zoom bites and great relief from teething
✔️ Strong stitching; survived multiple “stress tests” (I chewed with intention)
✔️ HQ squeaker; not tinny or annoying, more of a honk
✔️ 6in is perfect size for small breeds; easy to carry during dramatic hallway walks
Why it now gets 4 stars from a seasoned toy collector:
✘ As my luxury toy collection expanded, this one gets grabbed less often
✘ Simple design; I now favor more interactive or complex textures
✘ Still “keep-worthy,” just no longer VIP spot on the chaise lounge
Best For:
• Pups who enjoy soft comfort toys or emotional support snuggles
• Light to moderate chewers
• Dogs who like to carry their plushes around proudly
• Ideal as a teething toy or thoughtful gift
🚫 Not ideal for: power chewers or highly stimulation-driven pups (like me now; my taste evolved)
📝 Final Re-Barks:
Still recommend for pups who love cuddly squeaky companions. Great starter plush and great quality; just know that ultra-picky toy enthusiasts may rotate it out once newer models (or squeakier friends) arrive.
— PVD (Plush Aficionado, Toy Rotation Director & High-Maintenance Household Icon) 🐶💁🏻♂️✨
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Reviewed in the United States on September 17, 2025
★★★★★ 4
Well Constructed Toy But Short-Life Squeaker
Color: Gray, Size: 8 IN
Super cute and durable toy. Makes a "grunting" noise that my dog loves. However rating a little lower because my dog has only been playing with it (gently) for a couple weeks and the grunting noise is starting to die. But she does really like this toy regardless!
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Reviewed in the United States on June 4, 2026
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