SKU: 52654770682

Holley EFI Terminator X Stealth 2x4 4500 Kit - Black 550-1081

Sale price$1777.47 Regular price$1974.97
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Ships within 48 hours · Estimated delivery Jul 31 - Aug 5

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Description

Holley EFI Terminator X Stealth 2x4 4500 Kit - Black 550-10818 Injectors 800 1500 HP Features: Bolt on 4500 Flange Carburetor Replacement for 2x4 intake manifolds1 Supports up to 1500 HP Naturally Aspirated or 1250 HP Forced Induction with Eight 100 Lb Hr Injectors2 2. 125? Throttle Plates, Flow 1440 CFM each for large cubic inch engines3 Gen 3 Ultra Dominator Style 4 Bolt Air Cleaner Flange offering a variety of air cleaner options4 External fuel pressure regulator required, such as 12 8485 Throttle Linkage

8 Injectors - 800-1500 HP


Features:

  • Bolt on 4500 Flange Carburetor Replacement for 2x4 intake manifolds1
  • Supports up to 1500 HP Naturally Aspirated or 1250 HP Forced Induction with Eight 100 Lb/Hr Injectors2
  • 2.125? Throttle Plates, Flow 1440 CFM each for large cubic inch engines3
  • Gen 3 Ultra Dominator Style 4 Bolt Air Cleaner Flange offering a variety of air cleaner options4
  • External fuel pressure regulator required, such as 12-8485
  • Throttle Linkage not included6
  • Each throttle body contains 4x 100lb/hr fuel injectors7
  • Universal engine harness allows you to easily install the Terminator X 2x4 4500 system on a wide variety of engine combinations8
  • Timing Control support integrated within the ECU using supporting components (distributor, ignition box, or crank trigger)9
  • High Resolution Full Color Touchscreen for Initial Setup, Tuning, and Gauge Displays10
  • Simple Calibration Wizard (answer a few questions about your engine and it creates the base map, then starts tuning on its own!) - NO laptop required!11
  • Self-tuning ECU means you don?t have to be a computer/tuning wiz to have EFI!12
  • The included Genuine Bosch LSU 4.9 Wideband Oxygen Sensor provides real-time Fuel Map Learn!13
  • Included weld-in O2 sensor bung for the exhaust ensures a leak free oxygen sensor installation14
  • Plug and play with Holley EFI Accessories, such as the 12.3? and 6.86? Pro Dash; CAN EGT; and Digital Analog style EFI gauges15
  • Available in 2 finishes, Shiny and Black16

Specs:

Accelerometer Support Yes
Boost Control Yes
Brand Holley EFI
CAN-BUS Support Yes
CFM 2880
Coil Per Cylinder Ignition Support Yes
Color Black
Datalogging Support Yes
Distributor Included No
Dry Nitrous Control Yes
e85 Support No
EGT Support Yes
Emission Code 3
Finish Black
Flange Size 4500
Flange Style Dominator
Forced Induction Support Yes
Fuel Filter Included No
Fuel Hose Included No
Fuel Injectors Included Yes
Fuel Pressure 58.5 PSI
Fuel Pressure Regulator Included No
Grade Type Performance
Handheld Included Yes
Ignition Timing Control Yes
Ignition Type Universal
Individual Cylinder Fuel Corrections No
Injector Size 100 lb/hr @ 58.5 PSI
Inlet / Outlet Size 8AN
Intake Manifold Included No
Knock Retard Support Yes
MAP Sensor 1bar
Max Horsepower Rating 1500+
Multi-Stage Nitrous Control Yes
Product Type EFI System
Progressive Nitrous Control Yes
Self-Tuning Yes
Terminator LS Options Fuel, Spark
Throttle Bore 2.125 in.
Throttle Position Sensor Included Yes
Transmission N/A
User-Tuneable Yes
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:
  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: 52654770682

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Dana McAfee
New York, US
★★★★★ 5
It's durable! The wood is beautiful.
Color: Natural, Size: 6 Panels
Quality of the wood is excellent and it's absolutely 💯 of what it shows online. I'm so please! It's heavy but very sturdy and worth the purchase. I love it!!!!!
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Reviewed in the United States on April 20, 2026
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Gabriel Saraco
Dallas, US
★★★★★ 5
Exactly what I needed!
Color: Natural, Size: 6 Panels
My main use for this may be different than most people. I was taking care of some kittens and wanted to keep them away from sensitive areas of the living room (wires, home theater equipment, etc.). At first I stacked some boxes around, which was rather ugly and ineffective (made it harder for ME to get around more than anything else). I went online looking for a better solution and found this room divider. This did the trick! Finally I could have a stress-free time while the kittens were running around, and with something that actually improved the look of the room too. The divider itself is put together very well. The hinges actually fold both ways, so you get some versatile configuration options. It is lightweight and easy to move around, making it very easy to stash out of the way when not in use. I was so pleased that I went and bought 2 of the smaller 4-panel dividers as well, to use in a different area.
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Reviewed in the United States on October 9, 2024
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Mary Flynn
Battle Creek, US
★★★★★ 4
Nice and functional
Color: Black, Size: 6 Panels
Nice Works for separating spaces and looks nice
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Reviewed in the United States on February 28, 2026
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Ginni P.
Natrona Heights, US
★★★★★ 1
UNhappy Customer!
Color: Natural, Size: 6 Panels
Quite honestly I dont normally give poor reviews. I dont normally get poorly made products from Amazon but this time has changed things for me. I will order very little and will especially be mindful of anything made in China! This divider arrived in an intact but wet box. It took me nearly 20 minutes to get it to unfold. The two outside panels flipped out freely but for some reason I had to work to get the other panels to unfold. When it did open, the second panel was clearly damaged. I proceeded to prepare it for return, taped it up securely, requested and received a return label and traveled to the UPS store to return. Wouldn't you know it...UPS shipping charges were $154.00!!! More than I paid for this inferior product. So, if I return on my dollar and hope it makes it to the appointed destination and receive $151.99 for the return cost, I'm out $154.00 and no product to show for it! Its amazing how sellers come up with ways to unload their junk and then prevent satisfied customers by making them pay for the return shipping costs. I opted to keep the junk and consider it a lesson learned. What a scam!
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Reviewed in the United States on May 9, 2026
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David Montgomery
Boise, US
★★★★★ 5
Great product!
Color: Black - Shelves, Size: 6 Panels, Color: Black - Shelves, Size: 6 Panels
Made well with lightweight material making it easy to move when needed. The style is great for an office backdrop with shelves to decorate. Great addition to my home office.
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Reviewed in the United States on February 3, 2026

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