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Holley EFI 550-877 4150 Super Sniper Stealth

Name: Holley EFI 550-877 4150 Super Sniper Stealth
Brand: Holley Sniper EFI
SKU: 789871869
Price: 1933.95 USD
Availability: InStock

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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

Brand
Holley Sniper EFI
Automotive parts division
Performance
Vehicle fitment type
Specific
Items included
Handheld EFI Monitor
Features
Powered
Series
4150

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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.;

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 donâ€™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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