

Hero image 0 of Holley EFI 550-1081 Terminator X Stealth 4500 2x4 Kit - Black, 0 of 11
Holley EFI 550-1081 Terminator X Stealth 4500 2x4 Kit - Black
(No ratings yet)
Check if this fits your vehicle
Key item features
- Flange Compatibility: Bolts directly onto 4500 flange 2x4 intake manifolds, serving as a carburetor replacement.
- Power Support: Supports up to 1500 HP naturally aspirated or 1250 HP with forced induction, utilizing eight 100 Lb/Hr injectors.
- Airflow Design: Features 2.125 throttle plates, each flowing 1440 CFM, suitable for large cubic inch engines.
- ECU Capabilities: The self-tuning ECU offers fuel map learning, ignition timing control, and includes a genuine Bosch LSU 4.9 Wideband Oxygen Sensor.
- Setup Simplicity: Initial setup and tuning are managed via a high-resolution full-color touchscreen with a simple calibration wizard, eliminating the need for a laptop.
- Accessory Integration: Plug and play compatibility with Holley EFI accessories like Pro Dashes, CAN EGT, and digital analog style EFI gauges.
- Universal Harness: Includes a universal engine harness for broad compatibility across various engine combinations.
Generated by AI
Specs
- Vehicle model550-1081
- Vehicle fitment typeUniversal
- BrandHOLLEY EFI
- FeaturesAdjustable
- FinishBlack
- ColorBlack
Current price is USD$3,373.95
Price when purchased online
- Free shipping
Free 90-day returns
How do you want your item?
Try 30 days of Free Shipping with Walmart+! Choose plan at checkout.
Columbus, 43215
Arrives by Wed, Feb 25
Sold and shipped by Walmart.com
Free 90-day returns
This item is gift eligible
About this item
Product details
Terminator X Stealth 4500 2x4 with 8 Injectors - Supports 800-1500 Horsepower;
The Terminator X Stealth 4500 2x4 EFI systems from Holley features 8, 100LB/HR Fuel Injectors capable of supporting up to 1500 HP naturally aspirated or 1250 HP on forced induction applications. The Terminator X ECU is capable of fuel map self-learning and ignition timing control, improving idle stability, drivability, and wide-open throttle horsepower! Designed to fit with Gen 3 Ultra Dominator air cleaners and fuel crossovers, allowing you to easily convert your 4500 equipped 800+ horsepower dragster or door car! The Terminator X Stealth 4500 Air Valves are perfect for Multi-Port Fuel Injection installations that want the look of a 4500 Dominator Carburetor. These 1440 CFM air valves also include a TPS sensor for easy installation on most intake manifold configurations.;
The Terminator X Stealth 4500 2x4 EFI systems from Holley features 8, 100LB/HR Fuel Injectors capable of supporting up to 1500 HP naturally aspirated or 1250 HP on forced induction applications. The Terminator X ECU is capable of fuel map self-learning and ignition timing control, improving idle stability, drivability, and wide-open throttle horsepower! Designed to fit with Gen 3 Ultra Dominator air cleaners and fuel crossovers, allowing you to easily convert your 4500 equipped 800+ horsepower dragster or door car! The Terminator X Stealth 4500 Air Valves are perfect for Multi-Port Fuel Injection installations that want the look of a 4500 Dominator Carburetor. These 1440 CFM air valves also include a TPS sensor for easy installation on most intake manifold configurations.;
- Bolt on 4500 Flange Carburetor Replacement for 2x4 intake manifolds
- Supports up to 1500 HP Naturally Aspirated or 1250 HP Forced Induction with Eight 100 Lb/Hr Injectors
- 2.125” Throttle Plates, Flow 1440 CFM each for large cubic inch engines
- Gen 3 Ultra Dominator Style 4 Bolt Air Cleaner Flange offering a variety of air cleaner options
- Throttle Linkage not included
- Each throttle body contains 4x 100lb/hr fuel injectors
- Universal engine harness allows you to easily install the Terminator X 2x4 4500 system on a wide variety of engine combinations
- Timing Control support integrated within the ECU using supporting components (distributor, ignition box, or crank trigger)
- High Resolution Full Color Touchscreen for Initial Setup, Tuning, and Gauge Displays
- External fuel pressure regulator required, such as 12-848
- 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!
- Self-tuning ECU means you don’t have to be a computer/tuning wiz to have EFI!
- The included Genuine Bosch LSU 4.9 Wideband Oxygen Sensor provides real-time Fuel Map Learn!
- Included weld-in O2 sensor bung for the exhaust ensures a leak free oxygen sensor installation
- Plug and play with Holley EFI Accessories, such as the 12.3” and 6.86” Pro Dash; CAN EGT; and Digital Analog style EFI gauges
- Available in 2 finishes, Shiny and Black
info:
We aim to show you accurate product information. Manufacturers, suppliers and others provide what you see here, and we have not verified it.
Specifications
Vehicle model
550-1081
Vehicle fitment type
Universal
Brand
HOLLEY EFI
Features
Adjustable
Warnings
Warning Text
California Proposition 65
Similar items you might like
Based on what customers bought
Holley EFI 550-500 HP EFI Universal MPI Retrofit Kits $3,373.95 Was $3,749.95
$3,37395current price $3,373.95, Was $3,749.95$3,749.95Holley EFI 550-500 HP EFI Universal MPI Retrofit Kits
Holley EFI 550-616N HP EFI ECU & Harness Kits $3,399.95
$3,39995current price $3,399.95Holley EFI 550-616N HP EFI ECU & Harness Kits
Holley EFI 550-1611 Holley EFI Terminator X Max GM Gen V LT Late Direct Injection Kit $3,149.95
$3,14995current price $3,149.95Holley EFI 550-1611 Holley EFI Terminator X Max GM Gen V LT Late Direct Injection Kit
Holley EFI 550-617N HP EFI ECU & Harness Kits $3,399.95
$3,39995current price $3,399.95Holley EFI 550-617N HP EFI ECU & Harness Kits
Holley EFI 558-453 CAN Adapter Harness - 8 Foot Length $67.49
$6749current price $67.49Holley EFI 558-453 CAN Adapter Harness - 8 Foot Length
Holley EFI 300-924 Ultra Lo-Ram Throttle Body Adapter Coyote - As Cast Finish $98.95
$9895current price $98.95Holley EFI 300-924 Ultra Lo-Ram Throttle Body Adapter Coyote - As Cast Finish
Holley EFI 534-321 180 Degree Fuel Fitting Assembly - Black Finish $53.55
$5355current price $53.55Holley EFI 534-321 180 Degree Fuel Fitting Assembly - Black Finish
Holley EFI 300-652 Holley Intake Manifold Adapter Plates $367.95 Was $409.95
$36795current price $367.95, Was $409.95$409.95Holley EFI 300-652 Holley Intake Manifold Adapter Plates
Holley EFI 550-1510 Terminator X Max Ford Coyote - 2013-2015 w/ Ti-VCT $3,249.95
$3,24995current price $3,249.95Holley EFI 550-1510 Terminator X Max Ford Coyote - 2013-2015 w/ Ti-VCT
Holley EFI 300-612 Holley Lo-Ram Intake Manifold Mounting Stud Kit $27.88
$2788current price $27.88Holley EFI 300-612 Holley Lo-Ram Intake Manifold Mounting Stud Kit
Holley EFI 558-513 EFI MPFI Harness Kits $972.95
$97295current price $972.95Holley EFI 558-513 EFI MPFI Harness Kits
Holley EFI 558-467 Delphi M/P 150 to GT (Stainless Steel) MAP Adapter Harness $36.90
$3690current price $36.90Holley EFI 558-467 Delphi M/P 150 to GT (Stainless Steel) MAP Adapter Harness
Holley EFI 557-200 Ignition Kit $168.25 Was $186.95
$16825current price $168.25, Was $186.95$186.95Holley EFI 557-200 Ignition Kit
11 out of 5 Stars. 1 reviewsReduced price Holley EFI 534-236 Stealth 4150 Braided Fuel Crossover Kit $117.85 Was $147.86
Reduced price
$11785current price $117.85, Was $147.86$147.86Holley EFI 534-236 Stealth 4150 Braided Fuel Crossover Kit
Holley Sniper EFI 534-237 Stealth 4150 Braided Fuel Crossover Kit with Regulator $295.15 Was $327.95
$29515current price $295.15, Was $327.95$327.95Holley Sniper EFI 534-237 Stealth 4150 Braided Fuel Crossover Kit with Regulator
Reduced price Holley EFI 300-660 Holley Throttle Body Adapter Plate $85.04 Was $103.95
Reduced price
$8504current price $85.04, Was $103.95$103.95Holley EFI 300-660 Holley Throttle Body Adapter Plate
Holley EFI 558-466 Weatherpak to GT (Stainless Steel) MAP Adapter Harness $47.24
$4724current price $47.24Holley EFI 558-466 Weatherpak to GT (Stainless Steel) MAP Adapter Harness
Holley EFI 300-926 Hi-Ram EFI Manifold Hardware Kit Coyote - As Cast Finish $46.20
$4620current price $46.20Holley EFI 300-926 Hi-Ram EFI Manifold Hardware Kit Coyote - As Cast Finish
Reduced price Holley EFI 550-1316 Terminator X Max Ford Mod Motor 2V - with Transmission Control $2,068.95 Was $2,299.95
Reduced price
$2,06895current price $2,068.95, Was $2,299.95$2,299.95Holley EFI 550-1316 Terminator X Max Ford Mod Motor 2V - with Transmission Control
Holley 300-676BK 105mm Throttle Body Adapter Cast Black Finish $64.23 Was $76.95
$6423current price $64.23, Was $76.95$76.95Holley 300-676BK 105mm Throttle Body Adapter Cast Black Finish
Customer ratings & reviews
0 ratings|0 reviews
This item does not have any reviews yet
