SKU: 65944556598

Holley EFI Terminator X Max GM Gen V LT Early Direct Injection Kit - 550-1620LSD

Sale price$1484.97 Regular price$1649.97
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Ships within 48 hours · Estimated delivery Aug 4 - Aug 9

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Description

Holley EFI Terminator X Max GM Gen V LT Early Direct Injection Kit - 550-1620LSDOverview: 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:
  1. 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
SKU: 65944556598

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4.4 ★★★★★
Based on 8 reviews
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Martha Feliz
Waukegan, US
★★★★★ 5
Big tray
Color: Black, Size: Medium (8.5-14''W x 12''D)
Nice and big cutlery fit goog
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 29, 2026
O
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Old Cactus
Boise, US
★★★★★ 4
Expandable helps
Color: Black, Size: Medium (8.5-14''W x 12''D)
Because the tray is expandable from both sides it fits my drawer nicely.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 8, 2026
L
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LORI
West Palm Beach, US
★★★★★ 5
Works really well and it actually holds a lot
Color: Black, Size: Medium (8.5-14''W x 12''D), Color: Black, Size: Medium (8.5-14''W x 12''D)
Great product I love that you can put it extended open or or not depending on the width of your silverware drawer on your kitchen or you can use it for tools. You can use it for nuts and bolts. You can use it for I don’t know paintbrushes if you want to. I don’t know if you really want to. I have one in my kitchen and I have one in my living room in my bedroom just to put pens and stuff like that in them. If you have a wide silverware cabinet drawers, you can extend it a lot more than what you see in my picture, but I was able to extend it way more than what was there before and I really like how it is.
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Reviewed in the United States on May 26, 2026
J
Verified Purchase
J
Port Orchard, US
★★★★★ 5
Exactly as expected
Color: Black, Size: Medium (8.5-14''W x 12''D), Color: Black, Size: Medium (8.5-14''W x 12''D)
This expandable silverware organizer made such a difference in my kitchen drawers. It sounds dramatic for a utensil organizer, but it genuinely made everything feel cleaner, more organized, and less chaotic. I love that it expands because it made it super easy to customize to my drawer size instead of awkwardly leaving unused space. The compartments are roomy enough to hold a lot without everything getting jumbled together, and I like that there are enough sections for silverware plus extra kitchen tools and gadgets. It helped me finally give everything a designated place, which is especially satisfying when setting up a new kitchen. Even though it’s plastic, it doesn’t feel flimsy or cheap. It feels sturdy once in the drawer, slides open smoothly, and has held up really well with daily use. I also appreciate that it’s lightweight and easy to wipe clean if crumbs or dust get inside. Overall, this is one of those simple organizational purchases that makes everyday life easier. My kitchen drawers look so much more put together now, and it’s nice not having to dig through clutter every time I need a fork or cooking utensil. Definitely worth it for anyone trying to organize their kitchen without spending a ton.
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Reviewed in the United States on May 21, 2026
J
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judy knapp
San Leandro, US
★★★★★ 5
Expandable drawer organizer
Color: Gray, Size: XL (13-22''W x 15''D)
Wonderful addition to the silverware drawer. It expands to fit the size of your drawer. It is well designed and well made. We are very pleased!
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Reviewed in the United States on May 24, 2026

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