
Holley 550-1005 EFI Terminator X Stealth 4150 Black
Holley designed this 550-1005 EFI Terminator X Stealth as a self-tuning as well as easy-to-install EFI conversion for 4 barrel (4150 flange) style carburetors. It features 8 100 lb/hr Fuel Injectors that support up to 650 HP naturally aspirated or 1250 HP on forced induction applications. The Terminator X ECU is capable of fuel map self-learning as well as ignition timing control, improving idle stability, drivability, and wide-open throttle horsepower!
This kit also includes transmission kick down provisions for GM TH350/400, 200R4/700R4 and Ford C4/C6 applications.
Looking for a high performance fuel injection system that delivers power, efficiency, as well as ease of use? Look no further than the Holley EFI Terminator X Stealth 4150!
Main Features:
- Bolt-on 4150 Flange Carburetor Replacement
- Internal 1bar MAP sensor, built into the Terminator X ECU
- All wiring exits below the rear fuel injector cover, for a completely stealth installation
- Timed spark port for vacuum advanced distributors located under the front fuel bowl, for easy access to the distributor
- Air entry is machined to fit most stock style air cleaners with air cleaner locator provisions
- Integrated ignition timing control improves idle stability, fuel economy as well as wide-open throttle performance
- High Resolution Full Color Touchscreen for initial Setup, Tuning and also Gauge Displays
- Simple Calibration Wizard - NO laptop required!
- The included genuine Bosch LSU 4.9 Wideband Oxygen Sensor provides real-time Fuel Map learning
Holley 550-1005 EFI Terminator X Stealth Kit Additional Features:
- Fuel Injection Type: Throttle Body
- Flange Style: 4150 Square Bore
- Maximum Horsepower with Gasoline: 1250
- Airflow Rate: 950 CFM
- Metering Style: Speed Density
- Throttle Body Material: Cast Aluminum
- Throttle Body Color: Black
- Fuel Injector Size: 100 lb/hr @ 58.5 PSI
- Throttle Body Blade Quantity: 4
- ECM Included: Yes
- Display Included: Yes (3.5 in.)
- Self Tuning: Yes
- User Tunable: Yes
- MAP Sensor Included: Yes
- IAT Sensor Included: Yes
- TPS Sensor Included: Yes
- IAC Motor Included: Yes
- Quantity: Sold as a kit
Notes: External fuel pressure regulator required, set to a base pressure of 58.5 PSI.
Holley Performance Products has been the undisputed leader in fuel systems for over 100 years. Holley's products include carburetors, fuel pumps, fuel injection, as well as intake manifolds and much more. From start to finish, Holley has the parts to make your dream a reality!
Original: $2,509.95
-65%$2,509.95
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Holley 550-1005 EFI Terminator X Stealth 4150 Black
Holley designed this 550-1005 EFI Terminator X Stealth as a self-tuning as well as easy-to-install EFI conversion for 4 barrel (4150 flange) style carburetors. It features 8 100 lb/hr Fuel Injectors that support up to 650 HP naturally aspirated or 1250 HP on forced induction applications. The Terminator X ECU is capable of fuel map self-learning as well as ignition timing control, improving idle stability, drivability, and wide-open throttle horsepower!
This kit also includes transmission kick down provisions for GM TH350/400, 200R4/700R4 and Ford C4/C6 applications.
Looking for a high performance fuel injection system that delivers power, efficiency, as well as ease of use? Look no further than the Holley EFI Terminator X Stealth 4150!
Main Features:
- Bolt-on 4150 Flange Carburetor Replacement
- Internal 1bar MAP sensor, built into the Terminator X ECU
- All wiring exits below the rear fuel injector cover, for a completely stealth installation
- Timed spark port for vacuum advanced distributors located under the front fuel bowl, for easy access to the distributor
- Air entry is machined to fit most stock style air cleaners with air cleaner locator provisions
- Integrated ignition timing control improves idle stability, fuel economy as well as wide-open throttle performance
- High Resolution Full Color Touchscreen for initial Setup, Tuning and also Gauge Displays
- Simple Calibration Wizard - NO laptop required!
- The included genuine Bosch LSU 4.9 Wideband Oxygen Sensor provides real-time Fuel Map learning
Holley 550-1005 EFI Terminator X Stealth Kit Additional Features:
- Fuel Injection Type: Throttle Body
- Flange Style: 4150 Square Bore
- Maximum Horsepower with Gasoline: 1250
- Airflow Rate: 950 CFM
- Metering Style: Speed Density
- Throttle Body Material: Cast Aluminum
- Throttle Body Color: Black
- Fuel Injector Size: 100 lb/hr @ 58.5 PSI
- Throttle Body Blade Quantity: 4
- ECM Included: Yes
- Display Included: Yes (3.5 in.)
- Self Tuning: Yes
- User Tunable: Yes
- MAP Sensor Included: Yes
- IAT Sensor Included: Yes
- TPS Sensor Included: Yes
- IAC Motor Included: Yes
- Quantity: Sold as a kit
Notes: External fuel pressure regulator required, set to a base pressure of 58.5 PSI.
Holley Performance Products has been the undisputed leader in fuel systems for over 100 years. Holley's products include carburetors, fuel pumps, fuel injection, as well as intake manifolds and much more. From start to finish, Holley has the parts to make your dream a reality!
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Description
Holley designed this 550-1005 EFI Terminator X Stealth as a self-tuning as well as easy-to-install EFI conversion for 4 barrel (4150 flange) style carburetors. It features 8 100 lb/hr Fuel Injectors that support up to 650 HP naturally aspirated or 1250 HP on forced induction applications. The Terminator X ECU is capable of fuel map self-learning as well as ignition timing control, improving idle stability, drivability, and wide-open throttle horsepower!
This kit also includes transmission kick down provisions for GM TH350/400, 200R4/700R4 and Ford C4/C6 applications.
Looking for a high performance fuel injection system that delivers power, efficiency, as well as ease of use? Look no further than the Holley EFI Terminator X Stealth 4150!
Main Features:
- Bolt-on 4150 Flange Carburetor Replacement
- Internal 1bar MAP sensor, built into the Terminator X ECU
- All wiring exits below the rear fuel injector cover, for a completely stealth installation
- Timed spark port for vacuum advanced distributors located under the front fuel bowl, for easy access to the distributor
- Air entry is machined to fit most stock style air cleaners with air cleaner locator provisions
- Integrated ignition timing control improves idle stability, fuel economy as well as wide-open throttle performance
- High Resolution Full Color Touchscreen for initial Setup, Tuning and also Gauge Displays
- Simple Calibration Wizard - NO laptop required!
- The included genuine Bosch LSU 4.9 Wideband Oxygen Sensor provides real-time Fuel Map learning
Holley 550-1005 EFI Terminator X Stealth Kit Additional Features:
- Fuel Injection Type: Throttle Body
- Flange Style: 4150 Square Bore
- Maximum Horsepower with Gasoline: 1250
- Airflow Rate: 950 CFM
- Metering Style: Speed Density
- Throttle Body Material: Cast Aluminum
- Throttle Body Color: Black
- Fuel Injector Size: 100 lb/hr @ 58.5 PSI
- Throttle Body Blade Quantity: 4
- ECM Included: Yes
- Display Included: Yes (3.5 in.)
- Self Tuning: Yes
- User Tunable: Yes
- MAP Sensor Included: Yes
- IAT Sensor Included: Yes
- TPS Sensor Included: Yes
- IAC Motor Included: Yes
- Quantity: Sold as a kit
Notes: External fuel pressure regulator required, set to a base pressure of 58.5 PSI.
Holley Performance Products has been the undisputed leader in fuel systems for over 100 years. Holley's products include carburetors, fuel pumps, fuel injection, as well as intake manifolds and much more. From start to finish, Holley has the parts to make your dream a reality!












