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Holley EFI 550-877 4150 Super Sniper Stealth
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Key item features
- Direct Carburetor Replacement: This EFI system offers a bolt-on 4150 flange carburetor replacement, integrating the ECU directly into the throttle body for a clean, "no extra boxes" installation.
- Powerful Fuel Delivery: Equipped with eight 100 Lb/Hr injectors, it supports up to 1250 horsepower, making it suitable for both naturally aspirated and forced induction applications.
- Stealthy Wiring Design: All wiring exits discreetly below the rear fuel injector cover, ensuring a completely stealthy installation, complemented by a timed spark port for vacuum advanced distributors.
- Intuitive Self-Tuning: Features a high-resolution full-color touchscreen and a simple calibration wizard for initial setup, tuning, and gauge displays, enabling self-tuning without a laptop.
- Integrated Control Features: Provides integrated ignition timing control, programmable inputs and outputs, and includes a Genuine Bosch LSU 4.9 Wideband Oxygen Sensor for real-time fuel map learning.
- Versatile Compatibility: Includes transmission kick-down provisions for GM TH350/400, 200R4/700R4, and Ford C4/C6 applications, and is available in Shiny, Black, and Gold finishes.
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Specs
- BrandHolley Sniper EFI
- Automotive parts divisionPerformance
- Vehicle fitment typeSpecific
- Items includedHandheld EFI Monitor
- FeaturesPowered
- Series4150
Current price is USD$2,149.95
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Columbus, 43215
Arrives by Fri, Feb 20
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Sold and shipped by SuperShops
4.4071428571428575 stars out of 5, based on 280 seller reviews(4.4)280 seller reviews
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About this item
Product details
4 Barrel Fuel Injection Conversion - Self-Tuning Kit + Handheld EFI Monitor - Black Finish;
The Super Sniper Stealth 4150 EFI system from Holley features 8, 100LB/HR Fuel Injectors capable of supporting up to 650 HP naturally aspirated or 1250 HP on forced induction applications. The Sniper Stealth 4150 ECU is capable of fuel map self-learning and ignition timing control, improving idle stability, drivability, and wide-open throttle horsepower! Did we mention that the Stealth 4150 also includes transmission kick down provisions for GM TH350/400, 200R4/700R4 and Ford C4/C6 applications.;
The Super Sniper Stealth 4150 EFI system from Holley features 8, 100LB/HR Fuel Injectors capable of supporting up to 650 HP naturally aspirated or 1250 HP on forced induction applications. The Sniper Stealth 4150 ECU is capable of fuel map self-learning and ignition timing control, improving idle stability, drivability, and wide-open throttle horsepower! Did we mention that the Stealth 4150 also includes transmission kick down provisions for GM TH350/400, 200R4/700R4 and Ford C4/C6 applications.;
- Bolt on 4150 Flange Carburetor Replacement
- Throttle body mounted ECU â€" no extra boxes to mount
- Supports up to 1250hp with Eight 100 Lb/Hr Injectors!
- All of the wiring exits below the rear fuel injector cover, for a completely stealth installation.
- Timed spark part for vacuum advanced distributors located under the front fuel bowl, for easy access to the distributor.
- Programmable inputs and outputs
- Three Programmable 0-5V Sensor Inputs for Oil/Fuel/Dome or Nitrous Pressure Sensors
- Six Programmable Ground Outputs
- One +5v Reference Output - +5V Power Supply for 0-5v Sensors
- One Sensor Ground â€" Ground supply for 0-5v Sensors
- Air entry is machined to fit most stock style air cleaners with air cleaner locator provisions.
- Only 4 Wiring Connections Required! (Battery +, Battery - , Switched Ignition & RPM)
- External fuel pressure regulator required, set to a base pressure of 58.5 PSI, such as 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!
- OEM Style TPS/IAC, for years of dependable service.
- Available in 3 finishes: Shiny, Black and coming soon, Gold
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Specifications
Fuel injection accessory & part type
4 Barrel Fuel Injection Conversion - Self-Tuning Kit + Handheld EFI Monitor
Brand
Holley Sniper EFI
Automotive parts division
Performance
Vehicle fitment type
Specific
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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