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Holley EFIPart 550-1081Made in US
Product Details
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Key Features
Not for use with engines producing less than 800 horsepower Gasoline Only Use of leaded race fuels may shorten the service life of the WBO2 sensor
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!
8 Injectors - 800-1500 HP
- 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
- External fuel pressure regulator required, such as 12-848
- 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
- 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 compatible with multiple Holley EFI accessories including our gauges, shift lights, various modules, and digital and pro dashes (Holley P/N's 553-106, 553-111, and 553-112)
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About this product
8 Injectors - 800-1500 HP
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Product Specifications
Accelerometer Support
Yes
Automotive Item Grade
Performance
Boost Control
Yes
Brand
Holley EFI
California Proposition 65 Chemical Name
1
California Proposition 65 Required
Yes
CAN-BUS Support
Yes
Category
Air and Fuel Delivery
Cfm
2880
Coil Per Cylinder Ignition Support
Yes
Color
Black
Country
US
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 Hp@60psi
1250
Forced Induction Support
Yes
Fuel Filter Included
No
Fuel Hose Included
No
Fuel Injectors Included
Yes
Fuel Pressure Regulator Included
No
Fuel Pressure
58.5 PSI
Fuel Pump Included
No
Grade Type
Performance
Handheld Included
Yes
Height
3.85"
Horsepower Rating (HP)
1500
HTS Code
8409915085
Idle Air Control Motor Included
No
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+
Mounting Hardware Included
No
Multi-Stage Nitrous Control
Yes
Naturally Aspirated Hp@60psi
1500
Part Type
Fuel Injection System
Pdm
No
Power Distribution Module
No
Product Type
EFI System
Progressive Nitrous Control
Yes
Prop 65 Yes/No
Yes
Self-Tuning
Yes
Sub Category
Fuel Injection System and Related Components
Terminator LS Options
Fuel
Throttle Bore
2.125 in.
Throttle Position Sensor Included
Yes
Traction Control Support
Yes
User-Tuneable
Yes
Warning
California Proposition 65
Warranty
Manufacturer's Limited 90 Day Warranty
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Warranty & Compliance
Warranty
Manufacturer's Limited 90 Day Warranty
Country of Origin
US
⚠ Prop 65 Warning
Yes
1
Emissions Code
3
HS Code
8409915085
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Dimensions & Shipping
Product Dimensions
26.2 × 15.0 × 10.3 in
Shipping Dimensions
26.2 × 15.0 × 10.3 in
Weight
11544 g (11.54 kg)