Holley Sniper 4500 EFI – Self-Tuning Kit – Power Adder – Black

Description

Description:

The Holley Sniper 4500 EFI – Self-Tuning Kit – Power Adder – Black is part of Holley’s advanced Sniper EFI lineup, designed to simplify fuel injection upgrades while delivering high-performance results. It is built specifically for 4500 flange intake manifolds, commonly used in high-performance and racing engines.

This system replaces traditional carburetors with a modern EFI setup, providing precise fuel metering and real-time adjustments. The self-tuning feature continuously optimizes engine performance, making it suitable for both experienced builders and users transitioning from carburetors.

Introducing the Sniper Stealth 4500 EFI System! The Sniper Stealth 4500 EFI system from Holley features 8, 100LB/HR Fuel Injectors capable of supporting 800 to 1500 HP naturally aspirated, or 800-1250 HP on forced induction applications. The Sniper Stealth 4500 also features multiple Input and Output options for sensor inputs and switched outputs to control external relays. This system also comes with a USB to CAN tuning cable and free downloadable Sniper EFI Software give you unlimited control of your engine

Where This System Fits and How It Is Used

The Holley Sniper 4500 EFI – Self-Tuning Kit – Power Adder – Black is designed for high-performance engines requiring EFI conversion or upgrade.

It is commonly used in:

• Performance street vehicles
• Drag racing and competition builds
• Engines with superchargers, turbochargers, or nitrous systems
• Custom engine projects

The system is compatible with 4500-style intake manifolds, making it ideal for engines built for high airflow and power output.

Build Quality and Long-Term Performance

The Holley Sniper 4500 EFI – Self-Tuning Kit – Power Adder – Black is engineered with durability and precision to handle demanding performance conditions.

Key features include:

• High-quality throttle body construction
• Integrated ECU for simplified installation
• Self-learning fuel management system
• Compatible with power-adder applications
• Durable black finish for protection and style

These features ensure a reliable and high-performance EFI system capable of maintaining consistent operation.

What Makes This EFI System a Reliable Choice

The Holley Sniper 4500 EFI – Self-Tuning Kit – Power Adder – Black stands out due to its self-tuning capability and compatibility with high-performance engines.

It eliminates the complexity of manual tuning by automatically adjusting fuel delivery based on engine conditions. This ensures optimal performance, efficiency, and drivability.

Its ability to support power adders makes it a versatile solution for advanced builds, while its integrated design simplifies installation and setup.

Who This Product Is Designed For

The Holley Sniper 4500 EFI – Self-Tuning Kit – Power Adder – Black is ideal for:

• Performance enthusiasts upgrading from carburetors
• Engine builders working on high-horsepower applications
• Racers using turbocharged or supercharged setups
• Automotive professionals installing EFI systems

It is particularly suited for those seeking precise fuel control and modern engine management.

Key Specifications and Technical Details

The Holley Sniper 4500 EFI – Self-Tuning Kit – Power Adder – Black is a complete EFI system designed for performance applications.

It includes:

• Self-tuning EFI system with integrated ECU
• Compatibility with 4500 flange intake manifolds
• Support for power adders (turbo, supercharger, nitrous)
• High-performance throttle body design
• Durable black finish

This system is engineered to deliver accurate fuel metering, improved engine efficiency, and reliable performance.

Purchase Confidence and Support

Choosing the Holley Sniper 4500 EFI – Self-Tuning Kit – Power Adder – Black provides access to a premium fuel injection solution backed by Holley’s industry expertise.

Buyers benefit from:

• Advanced self-tuning technology
• Compatibility with high-performance builds
• Reliable and consistent fuel delivery
• Availability of support and compatible components

This product also fits within a broader category of EFI conversion systems and performance fuel upgrades, allowing buyers to explore related components and enhancements.

Common Questions About This EFI System

What is a self-tuning EFI system?

A self-tuning EFI system automatically adjusts fuel delivery based on engine conditions, eliminating the need for manual tuning.

Is this system compatible with power adders?

Yes, it is designed to support turbochargers, superchargers, and nitrous systems.

What is a 4500 flange?

A 4500 flange refers to a large intake mounting pattern commonly used in high-performance engines.

Does this replace a carburetor?

Yes, it replaces traditional carburetors with a modern electronic fuel injection system.

Is it suitable for racing applications?

Yes, it is designed for performance and racing applications, including high-horsepower builds.

Does it improve engine performance?

Yes, it provides better throttle response, fuel efficiency, and consistent performance.

Features and Benefits:

Supports up to 1500 HP Naturally Aspirated or 1250 HP Forced Induction with Eight 100 Lb/Hr Injectors
Compatible with Draw through or Blow through forced induction applications
2.125” Throttle Plates, Flow 1440 CFM for large cubic inch engines
2.5Bar MAP Sensor
Integrated ignition timing control
Programmable launch control via 2-step and timing retard. Both can be triggered by a trans-brake input
Gen 3 Ultra Dominator Style 4 Bolt Air Cleaner Flange
-8AN Fuel Inlets
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 realtime Fuel Map Learn
Built-in Single Stage Wet or Dry progressive nitrous control
Three Programmable 0-5V Sensor Inputs for Oil/Fuel/Dome or Nitrous Pressure or other critical information
Six Programmable Ground Outputs, Five programmable ground inputs. These can be used to trigger or control external devices such as nitrous solenoids, boost control solenoids. Or to provide the ECU with an Input to turn on function such as an ignition timi
One +5v Reference Output – +5V Power Supply for 0-5v Sensors, One Sensor Ground – Ground supply for 0-5v Sensors
Throttle body mounted ECU – no extra boxes to mount
Only 4 Wiring Connections Required! (Battery +, Battery – , Switched Ignition & RPM)
Required external fuel pressure regulator, 12-848 is recommended
Customizable secondary fuel pump output (TPS, RPM or Boost enabled)
User friendly Boost Control with handheld adjustability
Free Software included comprehensive datalogging tool to help you maximize the performance of your engine
Real-time datalogging to the included 3.5” Touch Screen, allows you to save information to the SD card without needing a communication cable
Programmable Target Air Fuel Ratios per Boost level
Advanced boost control available via free Sniper EFI tuning software, including Boost vs RPM and Boost vs Time
OEM Style TPS/IAC, for years of dependable service
Included clamp-on oxygen sensor kit ensures a leak free oxygen sensor installation, with Stainless Steel T-Bolt clamps and a Stainless Steel (Weldable) oxygen sensor flange
Patent Pending

WARNING: Cancer and Reproductive Harm