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Product Summary

Universal Fit, Throttle Body Injection Style

  • Sniper 2 EFI system offers an easy-to-install, self-tuning EFI conversion for 4-barrel carburetors
  • Compatible with the Sniper Ecosystem, including Hyperspark ignition and fuel systems
  • New Power Distribution Module (PDM) simplifies wiring and centralizes EFI and ignition connections
  • Supports up to 650 hp with improved throttle response, enhanced ECU noise resistance, and robust wiring connectors
  • User-friendly setup requires only basic tools and no laptop, making it ideal for DIY installations
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Key Specs

MFG. Part #550-511-BPR
Injection StyleThrottle Body
Injector Size100 lb/hr @ 58.5 PSI
Max Horsepower Rating650
ECM IncludedYes
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Need To Know

Quick and Easy Returns

Return Policy

Holley Sniper 550-511-BPR Details

The Sniper 2 EFI system is a self-tuning EFI conversion kit for 4-barrel carburetor setups, featuring simplified installation, enhanced reliability, and compatibility with the Sniper Ecosystem, now with options like an integrated Power Distribution Module (PDM), user-friendly setup wizard, improved throttle geometry, and new connections for seamless ignition integration

  • Sniper 2 EFI system offers an easy-to-install, self-tuning EFI conversion for 4-barrel carburetors
  • Compatible with the Sniper Ecosystem, including Hyperspark ignition and fuel systems
  • New Power Distribution Module (PDM) simplifies wiring and centralizes EFI and ignition connections
  • Supports up to 650 hp with improved throttle response, enhanced ECU noise resistance, and robust wiring connectors
  • User-friendly setup requires only basic tools and no laptop, making it ideal for DIY installations

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 550-511-BPR Specifications

KEY SPECS
MFG. Part #550-511-BPR
BrandHolley Sniper
Injection StyleThrottle Body
Injector Size100 lb/hr @ 58.5 PSI
Max Horsepower Rating650
ECM IncludedYes
GENERAL
CFM800 CFM
User TunableYes
Self TuningYes
Injectors IncludedYes
Intake Manifold IncludedNo
Metering StyleSpeed density
EGRNo
Throttle Body IncludedYes
Throttle Body MaterialCast Aluminum
Throttle Body FinishPowder Coated
Throttle Body Flange Type4-Barrel Square Bore
Venturi Quantity4
Fuel Pump IncludedYes
Calibration Module IncludedYes
Wiring Harness IncludedYes
Fuel Pressure Regulator IncludedYes
MAP Sensor IncludedYes
IAC Motor IncludedYes
IAT Sensor IncludedYes
TPS Sensor IncludedYes
Airflow Rate800
ColorBlack
Throttle Body StyleThrottle Body Injection (TBI)
Throttle Body Barrels4-Barrel
Gaskets IncludedNo
Hardware IncludedYes
Flow Rating340
Sold in QuantityKit
Customer Impersonation Script