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Holley EFI 550-1081 Terminator X Stealth 4500 2x4 Kit - Black
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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.
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Specs
- Vehicle model550-1081
- Vehicle fitment typeUniversal
- BrandHOLLEY EFI
- FeaturesAdjustable
- FinishBlack
- ColorBlack
Current price is USD$3,373.95
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Columbus, 43215
Arrives by Mon, Feb 23
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Compare with similar items
| Product | Viewing this itemHolley EFI 550-1081 Terminator X Stealth 4500 2x4 Kit - Black ![]() $3,373.95 current price $3,373.95 | Holley EFI 550-500 HP EFI Universal MPI Retrofit Kits ![]() Now $3,373.95 current price Now $3,373.95, Was $3,749.95$3,749.95 | Holley EFI 550-616N HP EFI ECU & Harness Kits ![]() $3,399.95 current price $3,399.95 | Holley EFI 550-1611 Holley EFI Terminator X Max GM Gen V LT Late Direct Injection Kit ![]() $3,149.95 current price $3,149.95 | Holley EFI 550-617N HP EFI ECU & Harness Kits ![]() $3,399.95 current price $3,399.95 | Holley EFI 558-453 CAN Adapter Harness - 8 Foot Length ![]() $67.49 current price $67.49 | Holley EFI 300-924 Ultra Lo-Ram Throttle Body Adapter Coyote - As Cast Finish ![]() $98.95 current price $98.95 | Holley EFI 534-321 180 Degree Fuel Fitting Assembly - Black Finish ![]() $53.55 current price $53.55 | Holley EFI 300-652 Holley Intake Manifold Adapter Plates ![]() Now $367.95 current price Now $367.95, Was $409.95$409.95 | Holley EFI 550-1510 Terminator X Max Ford Coyote - 2013-2015 w/ Ti-VCT ![]() $3,249.95 current price $3,249.95 |
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| Vehicle model | 550-1081Holley EFI 550-1081 Terminator X Stealth 4500 2x4 Kit - Black | 550-500Holley EFI 550-500 HP EFI Universal MPI Retrofit Kits | 550-616NHolley EFI 550-616N HP EFI ECU & Harness Kits | Gen V LTHolley EFI 550-1611 Holley EFI Terminator X Max GM Gen V LT Late Direct Injection Kit | 550-617NHolley EFI 550-617N HP EFI ECU & Harness Kits | LSHolley EFI 558-453 CAN Adapter Harness - 8 Foot Length | CoyoteHolley EFI 300-924 Ultra Lo-Ram Throttle Body Adapter Coyote - As Cast Finish | CoyoteHolley EFI 534-321 180 Degree Fuel Fitting Assembly - Black Finish | RAM 1500Holley EFI 300-652 Holley Intake Manifold Adapter Plates | CoyoteHolley EFI 550-1510 Terminator X Max Ford Coyote - 2013-2015 w/ Ti-VCT |
|---|---|---|---|---|---|---|---|---|---|---|
| Vehicle fitment type | UniversalHolley EFI 550-1081 Terminator X Stealth 4500 2x4 Kit - Black | SpecificHolley EFI 550-500 HP EFI Universal MPI Retrofit Kits | SpecificHolley EFI 550-616N HP EFI ECU & Harness Kits | SpecificHolley EFI 550-1611 Holley EFI Terminator X Max GM Gen V LT Late Direct Injection Kit | SpecificHolley EFI 550-617N HP EFI ECU & Harness Kits | SpecificHolley EFI 558-453 CAN Adapter Harness - 8 Foot Length | SpecificHolley EFI 300-924 Ultra Lo-Ram Throttle Body Adapter Coyote - As Cast Finish | SpecificHolley EFI 534-321 180 Degree Fuel Fitting Assembly - Black Finish | SpecificHolley EFI 300-652 Holley Intake Manifold Adapter Plates | SpecificHolley EFI 550-1510 Terminator X Max Ford Coyote - 2013-2015 w/ Ti-VCT |
| Features | AdjustableHolley EFI 550-1081 Terminator X Stealth 4500 2x4 Kit - Black | UniversalHolley EFI 550-500 HP EFI Universal MPI Retrofit Kits | -Holley EFI 550-616N HP EFI ECU & Harness Kits | HandheldHolley 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 | -Holley EFI 558-453 CAN Adapter Harness - 8 Foot Length | AdjustableHolley EFI 300-924 Ultra Lo-Ram Throttle Body Adapter Coyote - As Cast Finish | SwivelHolley EFI 534-321 180 Degree Fuel Fitting Assembly - Black Finish | -Holley EFI 300-652 Holley Intake Manifold Adapter Plates | ProgrammableHolley EFI 550-1510 Terminator X Max Ford Coyote - 2013-2015 w/ Ti-VCT |
| Finish | BlackHolley EFI 550-1081 Terminator X Stealth 4500 2x4 Kit - Black | MachinedHolley EFI 550-500 HP EFI Universal MPI Retrofit Kits | -Holley 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 | -Holley EFI 550-617N HP EFI ECU & Harness Kits | MachinedHolley EFI 558-453 CAN Adapter Harness - 8 Foot Length | As CastHolley EFI 300-924 Ultra Lo-Ram Throttle Body Adapter Coyote - As Cast Finish | BlackHolley EFI 534-321 180 Degree Fuel Fitting Assembly - Black Finish | MachinedHolley EFI 300-652 Holley Intake Manifold Adapter Plates | -Holley EFI 550-1510 Terminator X Max Ford Coyote - 2013-2015 w/ Ti-VCT |
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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
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