$438 Off
$438 Off
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#425550511BXD
Holley Sniper 550-511-BXD 4-barrel Self-Tuning EFI Conversion Kit
- Self-tuning, easy-to-install fuel injection system designed for 4-barrel carburetors, adding 14 new features for enhanced reliability and ease of use
- An optional Power Distribution Module (PDM) simplifies wiring by centralizing EFI and ignition wiring connections
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Product Summary
Universal Fit, Throttle Body Injection Style
- Self-tuning, easy-to-install fuel injection system designed for 4-barrel carburetors, adding 14 new features for enhanced reliability and ease of use
- An optional Power Distribution Module (PDM) simplifies wiring by centralizing EFI and ignition wiring connections
- User-friendly setup wizard and self-tuning function eliminate the need for a laptop, while the system supports up to 650hp (naturally aspirated) and 575hp (boosted)
- It integrates seamlessly with the Sniper Ecosystem, allowing for compatibility with Hyperspark Ignition, fuel systems, and various user interfaces
- New hardware improvements include a noise-resistant ECU, redesigned throttle components, and multiple wiring upgrades for reliability and a cleaner installation
Key Specs
| Injection Style | Throttle Body |
| Injector Size | 100 lb/hr @ 58.5 PSI |
| Max Horsepower Rating | 650 |
| ECM Included | Yes |
| Throttle Body Style | Throttle Body Injection (TBI) |
Need To Know
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Return PolicyHolley Sniper 550-511-BXD Details
Holley Sniper 550-511-BXD Details
The Sniper 2 EFI is a self-tuning, easy-to-install EFI system that enhances classic 4-barrel carburetors with 14 new features for smoother drivability, compatibility with the Sniper Ecosystem, optional Power Distribution Module for simplified wiring, and robust support for high-performance engines up to 650hp, all designed to provide a modern fuel-injected experience with minimal installation effort.
- Self-tuning, easy-to-install fuel injection system designed for 4-barrel carburetors, adding 14 new features for enhanced reliability and ease of use
- An optional Power Distribution Module (PDM) simplifies wiring by centralizing EFI and ignition wiring connections
- User-friendly setup wizard and self-tuning function eliminate the need for a laptop, while the system supports up to 650hp (naturally aspirated) and 575hp (boosted)
- It integrates seamlessly with the Sniper Ecosystem, allowing for compatibility with Hyperspark Ignition, fuel systems, and various user interfaces
- New hardware improvements include a noise-resistant ECU, redesigned throttle components, and multiple wiring upgrades for reliability and a cleaner installation
Guides & Documents
CARB Warning
For use on pre-1966 vehicles only
CARB Warning
For use on pre-1966 vehicles only
Holley Sniper 550-511-BXD Specifications
Holley Sniper 550-511-BXD Specifications
| KEY SPECS | |
|---|---|
| MFG. Part # | 550-511-BXD |
| Brand | Holley Sniper |
| Injection Style | Throttle Body |
| Injector Size | 100 lb/hr @ 58.5 PSI |
| Max Horsepower Rating | 650 |
| ECM Included | Yes |
| Throttle Body Style | Throttle Body Injection (TBI) |
| GENERAL | |
| CFM | 800 CFM |
| User Tunable | Yes |
| Self Tuning | Yes |
| Injectors Included | Yes |
| Intake Manifold Included | No |
| Metering Style | Speed density |
| EGR | No |
| Throttle Body Included | Yes |
| Throttle Body Material | Cast Aluminum |
| Throttle Body Finish | Powder Coated |
| Throttle Body Flange Type | 4-Barrel Square Bore |
| Venturi Quantity | 4 |
| Fuel Pump Included | Yes |
| Calibration Module Included | Yes |
| Wiring Harness Included | Yes |
| Fuel Pressure Regulator Included | Yes |
| MAP Sensor Included | Yes |
| IAC Motor Included | Yes |
| IAT Sensor Included | Yes |
| TPS Sensor Included | Yes |
| Airflow Rate | 800 |
| Color | Black |
| Throttle Body Barrels | 4-Barrel |
| Gaskets Included | No |
| Hardware Included | Yes |
| Flow Rating | 340 |
| Sold in Quantity | Kit |
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