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Holley EFI 550-1074 Terminator X Stealth 4150 EFI 2x4 Shiny
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Key item features
- Direct Replacement: This system offers a bolt-on 2x4 4150 Flange Carburetor Replacement.
- Power Support: It supports up to 1500 HP naturally aspirated or 1250 HP with forced induction, utilizing eight 100 Lb/Hr injectors.
- Integrated Control: Features an internal 1bar MAP sensor within the Terminator X ECU and integrated ignition timing control.
- User-Friendly Tuning: Includes a high-resolution full-color touchscreen for setup and tuning, along with a simple calibration wizard that eliminates the need for a laptop.
- Self-Learning ECU: The self-tuning ECU incorporates a Genuine Bosch LSU 4.9 Wideband Oxygen Sensor for real-time fuel map learning.
- Required Components: An external fuel pressure regulator, set to 58.5 PSI (e.g., Holley part # 12-886), is required.
- Accessory Compatibility: Offers plug-and-play compatibility with Holley EFI accessories like the 12.3 and 6.86 Pro Dash, CAN EGT, and digital analog style EFI gauges.
- Finish Options: Available in three finishes: Shiny, Black, and Gold.
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Specs
- Fuel injection accessory & part typePressure Regulator
- BrandHolley EFI
- Vehicle fitment typeSpecific
- Items includedTerminator X
- FeaturesLeak Proof Design
- SeriesTerminator X
Current price is USD$3,049.95
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About this item
Product details
2x4 4150 Flange Carburetor Replacement - Supports up to 1500 HP Naturally Aspirated or 1250 HP Forced Induction with Eight 100 Lb/Hr Injectors;
The Terminator X Stealth 4150 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.;
The Terminator X Stealth 4150 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.;
- Bolt on 2x4 4150 Flange Carburetor Replacement
- Supports up to 1500 HP Naturally Aspirated or 1250 HP Forced Induction with Eight 100 Lb/Hr Injectors
- Internal 1bar MAP sensor, built into the Terminator X ECU
- External fuel pressure regulator required, set to a base pressure of 58.5 PSI, such as Holley part # 12-886
- Integrated ignition timing control
- 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!
- Factory Style TPS/IAC and Fuel Pressure regulator, for years of dependable service
- 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 3 finishes: Shiny, Black, and Gold
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Specifications
Fuel injection accessory & part type
Pressure Regulator
Brand
Holley EFI
Vehicle fitment type
Specific
Items included
Terminator X
Warranty
Warranty information
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Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.
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Warnings
Warning Text
California Proposition 65
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