550-511-BPK-SBF Sniper 2 Bundle EFI Conversion Master Kit for Small Block Ford [Black Finish]

Name: 550-511-BPK-SBF Sniper 2 Bundle EFI Conversion Master Kit for Small Block Ford [Black Finish]
Brand: HOLLEY
SKU: 510-550511BPKSBF
Price: 2123.95 USD
Availability: InStock

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Systems w/Wireless Module

Sniper 2 EFI Conversion Master Kit

Small Block Ford

800 cfm

4150 Flange

(4) 100 lb./hr Injectors

Supports 650 HP

Black Finish

Includes:

Bluetooth Module
Power Distribution Module
Inline Fuel Pump
Distributor

Holley 550-511-BPK-SBF Features:
The Sniper 2 EFI is a self-tuning, easy-to-install, EFI conversion for the most common 4-barrel (4150 flange) style carburetors. This system has fourteen new features added from the previous original Sniper system to bring a more reliable, modern, and simplier EFI conversion. Like all Holley Sniper EFI systems, the Sniper 2 is designed to work with the Sniper Ecosystem, including Hyperspark ignition, complete fuel systems, multiple user interfaces/dash displays, and more.
- Only (4) wiring connections required: Battery+, Battery-, Switched Ignition, and RPM
- No laptop required - A simple calibration wizard for self-tuning only requires a few simple questions about your engine to create a base map
- Supports up to 650 HP naturally aspirated or 575 HP on boosted applications
- Next-generation ECU for improved RF noise and interference resistance to stand up to older car wiring, noisy alternators, faulty plug wires etc.
- A new redesigned throttle shaft and plate geometry for a smoother throttle feel
- The main harness includes plug-and-play HyperSpark distributor support for integrated timing control
- Bluetooth dongle allows you to connect either an iOS or Android-based cell phone to the Sniper 2
- Power Distribution Module (PDM) further simplifies wiring, especially when used in conjunction with an ignition system
- Complete fuel system consisting of 20 ft. of 3/8 in. Vapor Guard Fuel Hose, Fuel Pump, fuel pressure regulator, filters, necessary hardware, and bulkhead fitting to return fuel into the tank
- Integrated transmission kick down provisions for GM TH350/400, 200-4R/700R4 and Ford C4/C6 applications
- The wiring harnesses exit from the rear of the throttle body for a cleaner, "hidden" appearance
- (2) Ground Inputs, (2) Ground Outputs, (1) TPS output (0-5 V), and (1) Tach Output
- A new redesigned injector connector for improved reliability
- Onboard contactless magnetic TPS sensor for more accurate TPS readings
- Next Generation mil-spec style M8 positive lock connector for CAN1 and CAN2
- Cast-in fuel crossover from the primary to secondary fuel rail
- Bosch LSU 4.9 wideband O2 provides real-time fuel map learning
- Clamp-on O2 Kit with stainless steel T-Bolt clamps and stainless steel weldable oxygen sensor flange
- Hyperspark billet distributor with hall effect crank trigger housing to deliver a noise-free RPM signal to the Sniper ECU
Holley 550-511-BPK-SBF Notes:
- Nitrous Control Not Supported in Sniper 2 EFI Software
Holley 550-511-BPK-SBF Emissions Notes:
This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.
CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART

Reliable, Powerful, and Easy-to-Install Throttle Body EFI Conversions

The Holley Sniper 2 EFI Conversion System has 14 updated features over previous kits and is easier to install, more reliable, and modernized to deliver power, efficiency, and self-tuning! Each throttle body system features a 4-barrel 4150 flange-style base, four injectors, and a four-wire connection.

Take your classic carbureted engine into the modern age with Holley Sniper 2 EFI Throttle Body Conversion Kits—designed to deliver the reliability, efficiency, and performance of electronic fuel injection without the complexity. Whether you're building a street cruiser, weekend warrior, or daily driver, the Holley Sniper 2 system makes EFI upgrades straightforward and stress-free.

Built with modern features like integrated diagnostics, self-learning capabilities, and Bluetooth tuning, this EFI system simplifies cold starts, improves throttle response, and maximizes fuel economy. Say goodbye to vapor lock, hard starts, and altitude-related tuning headaches—Sniper 2 adapts on the fly, delivering smooth, consistent performance in any condition.

Each Holley EFI Sniper kit includes a 4-injector throttle body that bolts directly in place of most 4-barrel carburetors, making it a perfect fit for small-block and big-block engines alike. With minimal wiring and no laptop required for setup, you’ll be up and running in no time—thanks to the user-friendly, full-color touchscreen.

Upgrade to a Holley Sniper 2 Master Kit for everything you need in one box: the throttle body, fuel system components, sensors, and harnesses—engineered to work together for seamless installation and operation.

Whether you're after modern drivability or a cleaner engine bay, the Sniper 2 is your go-to EFI solution. Shop Holley Sniper 2 EFI Throttle Body Conversion Kits at JEGS today and experience the power of precision fueling with a factory-fresh feel.

The Holley Sniper 2 EFI Throttle Body Conversion Kits are engineered for enthusiasts who want to upgrade from carburetion to modern electronic fuel injection without sacrificing classic engine bay aesthetics. Designed as a direct throttle body EFI conversion, the Sniper 2 system delivers improved drivability, enhanced throttle response, and more consistent air/fuel control across a wide RPM range. Whether you’re restoring a classic muscle car or modernizing a street performance build, Holley Sniper 2 EFI Throttle Body Conversion Kits provide a streamlined path to reliable, self-learning fuel injection performance.

Switching to an EFI conversion kit can dramatically improve cold starts, idle stability, and fuel efficiency compared to traditional carburetors. For high-torque V8 applications, maintaining precise fuel delivery under load is critical—and the Sniper 2 system is built to meet that demand.

Performance Benefits & Key Features

Holley Sniper 2 EFI Throttle Body Conversion Kits are designed with integrated fuel injectors, advanced ECU technology, and self-tuning capabilities that automatically adjust to your engine’s airflow and performance needs. Performance enthusiasts often prioritize horsepower support capacity, injector sizing, throttle bore dimensions, and compatibility with forced induction or naturally aspirated setups.

The throttle body design fits standard 4-barrel intake manifolds, making installation straightforward for many small block and big block applications. Enhanced fuel atomization and precise electronic control contribute to smoother acceleration and improved torque capacity, especially in modified engines with upgraded camshafts or cylinder heads.

These kits are ideal for street performance builds, pro-touring vehicles, daily drivers, and even light drag racing applications. The system’s self-learning feature reduces the need for extensive manual tuning, allowing builders to focus on performance rather than constant adjustments. Durable construction and high-quality internal components ensure reliable operation in demanding environments.

Fitment, Compatibility & Applications

Holley Sniper 2 EFI Throttle Body Conversion Kits are compatible with a wide range of GM, Ford, and Mopar V8 platforms equipped with standard 4-barrel intake manifolds. Popular applications include Chevrolet Camaro, Chevelle, Nova, Ford Mustang, Dodge Charger, and classic truck builds configured for carbureted setups.

Because the Sniper 2 system is designed as a carburetor replacement, it integrates seamlessly into many restoration and restomod projects seeking modern EFI performance. Proper fuel system upgrades, including high-pressure fuel pumps and compatible lines, are required for optimal results.

If you’re ready to modernize your classic engine with improved drivability and reliable fuel control, explore the Holley Sniper 2 EFI Throttle Body Conversion Kits at JEGS and experience the benefits of advanced EFI technology in your next build.

Part TypeFuel Injection System

Product LineHolley Sniper 2 EFI Throttle Body Conversion Kits

BrandHOLLEY

Package Height16.0

Package Width18.0

Package Length24.0

Weight30.58 PG

Part CategoryPerformance Parts

Wiring Harness IncludedYes

Fuel Pump IncludedYes

Power Adder CompatibleYes

Throttle Body FinishBlack