SKU: 16880611055

Holley EFI Terminator X Max GM Gen V LT Late Direct Injection Kit - 550-1611

Sale price$1484.97 Regular price$1649.97
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Ships within 48 hours · Estimated delivery Jul 24 - Jul 29

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Description

Holley EFI Terminator X Max GM Gen V LT Late Direct Injection Kit - 550-1611Overview: Take control of your GM Gen V LT1, L83, or L86 engine with Terminator X! Do not settle for a factory 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 features real time fuel learn, an integrated 1bar MAP sensor, and four programmable inputs and outputs. The inputs and outputs

Overview:

Take control of your GM Gen V LT1, L83, or L86 engine with Terminator X! Do not settle for a factory 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 features real-time fuel learn, an integrated 1bar MAP sensor, and four programmable inputs and outputs. The inputs and outputs are ideal for electric fans, boost control solenoids, progressive nitrous control, and much more. Terminator X comes fully loaded with base maps for common LT 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. All Gen V LT Terminator X kits will come with an external Gasoline Direct Injection Controller, which enables the end user to control and tune, factory injectors, GM Gen V LT Variable Valve Timing (VVT), and factory fuel pumps. 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, an LT swapped budget beater or a boosted racecar, Terminator X has the features and technology you need at a price that will not break the bank! To identify if your engine is an early or late application, refer to your fuel pressure sensor, located behind the intake manifold. Early sensors have a 4-pin connector, whereas late sensors have a 3-pin connector. This will help you pick which kit you require for your engine.

Features:

  • Plug and play GM Gen V LT engine control including GDI and VVT support
  • Ideal for swapping late model GM Gen V LT engines into vintage vehicles
  • 3.5” handheld gets your engine running in no time with a step-by-step calibration wizard
  • GM LS and LT Drive-by Wire Throttle Body Control (Terminator X Max Only)
  • GM 4L60 and 4L80 Transmission Control (Terminator X Max Only)
  • Included engine harness plugs directly into the factory LT DI injector sub harness
  • OEM Injectors supported, with part numbers provided in the handheld wizard, or software
  • Genuine Bosch LSU 4.9 Wideband Control (Will not work with LSU 4.2 Oxygen Sensors)
  • On-Board Diagnostic LEDS for: ECU Power – Engine Run – Wideband Status – TPS Calibration – Crank Signal – Cam Signal – VVT Status – Pump Control – and DI Injectors. Allowing you to identify any Critical engine issues at a glance
  • Built in 1bar MAP Sensor, vacuum hose adapters included (1/8th – ¼ and 3/16ths) - or for Boosted applications, you can disable the internal MAP sensor, and utilize an external LT MAP Sensor, the harness comes with the connector terminated, making the inst
  • 4 Inputs – 12v, Ground, 5v, and Frequency, for things such as additional pressure sensors, or activation triggers for nitrous activation, or a trans brake (Fuel and Oil Pressure Inputs are pre-terminated)
  • 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
  • Integrated data logging to the 3.5” Handheld SD Card
  • Free EFI Tuning Software for complete control of your Terminator X power plant

 

Application:

Year Make Model Submodel Engine Size
Universal

 

Specs:

Brand Holley EFI
Emission Code 3
Product Type EFI System
Warning California Proposition 65
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery 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.
  • To process your return/exchange, please contact us at [email protected]
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SKU: 16880611055

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Michele S
Draper, US
★★★★★ 5
Love this!
Color: Stainless Steel
I love this! The spray bottle is so convenient.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 12, 2026
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Crystal Andrew
Chelsea, US
★★★★★ 5
Would buy again
Color: Black
Love this- glad I purchased it. Nice weight lets you pull off sheets with one hand. Like the novelty and ease of having the cleaner so handy. Would definitely recommend.
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Reviewed in the United States on April 24, 2026
S
SiTruHaitian
Pawtucket, US
★★★★★ 5
Better than expected
Color: Stainless Steel, Color: Stainless Steel
I have to say, it has completely transformed my kitchen countertop organization. From the moment I unboxed it, the quality and thoughtfulness of the design were immediately apparent. The stainless steel construction feels extremely sturdy and durable, giving the holder a sleek, modern look that complements any kitchen décor. Unlike lighter, flimsier holders, this one feels solid and well-balanced, thanks to the weighted, non-slip base, which ensures it stays put even when tearing off a single sheet with one hand. The spring-loaded tension arm is an absolute game-changer. I can tear off a paper towel effortlessly with just one hand, which is perfect when I’m cooking, cleaning, or juggling multiple tasks. No more awkward pulling or having to stabilize the roll with my other hand—it makes the process smooth and frustration-free. One of my favorite features is the integrated spray bottle. Having a cleaning solution right on the holder is incredibly convenient. I can quickly grab the paper towel and spray my countertops or stovetop without having to search for a separate bottle, which makes daily cleaning routines much more efficient. The spray bottle is easy to refill, and the design keeps it snug and stable so it doesn’t tip over. Setup was a breeze it came fully assembled, so I could start using it immediately. The overall footprint is compact, so it doesn’t take up much counter space, but it still accommodates standard-sized paper towel rolls comfortably. Even larger rolls fit without any problem, and the holder handles the weight without wobbling. Overall, the Ultrean Paper Towel Holder with Spray Bottle combines functionality, durability, and style in one package. It’s perfect for busy kitchens, whether you’re cooking, cleaning, or entertaining guests. The convenience of one-handed tear, combined with the integrated spray bottle and sturdy base, makes it worth every penny. I’ve found myself reaching for it constantly, and it’s made my kitchen workflow so much smoother. Highly recommended for anyone looking to elevate their kitchen organization while adding a practical and stylish accessory.
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Reviewed in the United States on April 6, 2026
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Jessica L. Jensen
Waukegan, US
★★★★★ 5
Looks good works great
Item Package Quantity: 1, Color: Black
This paper towel holder is simple, sturdy, and works exactly as it should. It holds the roll securely and makes it easy to tear off sheets with one hand. The design is clean and attractive, so it looks great on the countertop without taking up too much space. No assemble required and a great value overall.
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Reviewed in the United States on June 3, 2026
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VFlorida
Omaha, US
★★★★★ 5
Functional and beautiful!
Item Package Quantity: 1, Color: Silver
This towel holder is a fantastic find! It is always great when a product exceeds your expectations and this towel holder is exactly that. At first, I was not sure if the price was worth it but when I opened the box, I was pleasantly surprised by the quality of the product. It is solid and well made with a heavy base that makes pulling paper towels with one hand a breeze. The mandrel is thick and provides excellent rotational ability. Overall A+. I highly recommend spending a few extra bucks on a functional piece that enhances the overall appearance of a kitchen.
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Reviewed in the United States on April 7, 2026

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