Holley EFI Terminator X Max GM Gen V LT Early Direct Injection Kit - 550-1620LSD
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
Save 10%

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jul 6 - Jul 11

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

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

Discover Niche Categories That Outsell

Top-Converting Item to Boost Your Average Order

4.4 ★★★★★
Based on 2475 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
C
Verified Purchase
Colleen R.
Grantham, US
★★★★★ 1
Not durable and lasted a week
Size: X-Large(8")
Had it a week and it popped. The durability is not good! It’s not chew resistant, the value for the money is poor! My dogs enjoyed it for the week it lasted it was a good size , however extremely disappointed!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 10, 2026
H
Verified Purchase
Heather
Pawtucket, US
★★★★★ 4
Fun dog toy
Size: Medium(6")
Great ball, easy to use, sturdy toy, and fun toy that dogs love. Only a 4 star as I wish it was a little bit bigger and with more handles.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 6, 2026
D
Verified Purchase
Dez
Birmingham, US
★★★★★ 5
Great bouncy ball !
Size: Medium(6")
What I like about this ball is how I could interact with my Poodle he love bouncing it around so far it seems very durable as my dog is a chewer
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 27, 2026
S
Verified Purchase
Sharon Beers
Pawtucket, US
★★★★★ 3
Nice ball w/straps to grab for ur dog to carry the ball.
Size: Medium(6")
She’s afraid of SO many things. Gotta give her more time. From a hoarding group…so, no socializing. Time will tell. Very nice ball w/ tough straps to grab hold of & carry it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 8, 2026
P
Verified Purchase
PikaJoon
Lake Worth, US
★★★★★ 5
Haru LOVES this toy!
I recently purchased the Amazon Basics Hide and Seek Squeaky Dog Plush Toy, Rabbit and Carrot 5 Pack, and it has been an absolute hit with my dog Haru! This set has quickly become his favorite playtime activity, and it's easy to see why. From the moment I introduced Haru to the plush toys, he was hooked! The rabbit and carrot design is not only adorable but also adds an element of excitement and curiosity for him. The toys' quality is impressive, with sturdy stitching that has held up well to Haru's enthusiastic play style. The "hide and seek" aspect of the toys is brilliant. Each plush toy contains squeakers, which immediately captured Haru's attention. He thoroughly enjoys searching for the source of the squeaky sound and then triumphantly "catching" the rabbit or carrot. It's like a mini-game that keeps him mentally stimulated and entertained. One of the best things about this 5-pack set is the variety it offers. Haru never gets bored because he can alternate between the different plush toys, and each one presents a new challenge for him. Whether he's "hunting" the rabbit or "nibbling" on the carrot, his excitement is contagious! Furthermore, I appreciate how these toys keep Haru engaged for a good amount of time. As a busy dog owner, it's essential to have toys that can entertain him while I'm occupied with other tasks. The Hide and Seek Squeaky Dog Plush Toy accomplishes this perfectly, giving me some peace of mind knowing Haru is happily occupied.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 21, 2023

recommand products