$113 Off
$113 Off
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#425550510BXX
Holley Sniper 550-510-BXX 4-barrel Self-Tuning EFI Conversion Kit
- More modern and user-friendly, with a streamlined installation requiring only four wiring connections and no laptop for tuning
- Supports up to 650hp naturally aspirated or 575hp with forced induction, using 100 lb/hr injectors for optimal fuel delivery
- Fully compatible with Sniper's complete ecosystem, including Hyperspark ignition, fuel systems, and multiple tuning interfaces
$1,349.95
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Product Summary
Universal Fit, Throttle Body Injection Style
- More modern and user-friendly, with a streamlined installation requiring only four wiring connections and no laptop for tuning
- Supports up to 650hp naturally aspirated or 575hp with forced induction, using 100 lb/hr injectors for optimal fuel delivery
- Fully compatible with Sniper's complete ecosystem, including Hyperspark ignition, fuel systems, and multiple tuning interfaces
- Simplifies wiring by consolidating EFI and ignition connections into one location, reducing installation complexity
- Includes a redesigned ECU, smoother throttle feel, advanced TPS sensor, and improved fuel system components, all aimed at enhancing drivability, fuel economy, and reliability
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 550-510-BXX Details
Holley Sniper 550-510-BXX Details
The Sniper 2 EFI is an enhanced self-tuning, easy-to-install fuel injection system designed for 4-barrel carburetors, offering advanced features for better performance and reliability.
- More modern and user-friendly, with a streamlined installation requiring only four wiring connections and no laptop for tuning
- Supports up to 650hp naturally aspirated or 575hp with forced induction, using 100 lb/hr injectors for optimal fuel delivery
- Fully compatible with Sniper's complete ecosystem, including Hyperspark ignition, fuel systems, and multiple tuning interfaces
- Simplifies wiring by consolidating EFI and ignition connections into one location, reducing installation complexity
- Includes a redesigned ECU, smoother throttle feel, advanced TPS sensor, and improved fuel system components, all aimed at enhancing drivability, fuel economy, and reliability
Guides & Documents
CARB Warning
For use on pre-1966 vehicles only
CARB Warning
For use on pre-1966 vehicles only
Emissions warning: this part only legal for sale or use in California if installed in vehicles model-year 1965 or older; motorcycles model-year 1977 or older; or off-highway recreational vehicles (such as off-road motorcycles and all-terrain vehicles) model-year 1996 and older. ++any other use renders the vehicle tampered and not legal for use on California public highways (any public street or roadway, public dirt road, public park, or publicly maintained right of way open to the use of the public for vehicular travel). Violations subject to $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering there are similar restrictions and penalties under federal law and the laws of all other states with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine.
Holley Sniper 550-510-BXX Specifications
Holley Sniper 550-510-BXX Specifications
| KEY SPECS | |
|---|---|
| MFG. Part # | 550-510-BXX |
| 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 | No |
| Calibration Module Included | Yes |
| Wiring Harness Included | Yes |
| Fuel Pressure Regulator Included | No |
| 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 |
| Sold in Quantity | Kit |
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