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Product Summary

Universal Fit, Throttle Body Injection Style, Black

  • Self-tuning fuel injection system, designed for easy installation on 4-barrel carburetors with minimal wiring
  • Includes 14 new upgrades, such as a redesigned ECU and throttle geometry for smoother operation and improved reliability
  • Fully compatible with Sniper accessories like Hyperspark ignition, various displays, and comprehensive fuel systems
  • New PDM accessory simplifies wiring by centralizing EFI and ignition connections
  • Converts classic engines to run like modern fuel-injected systems, with benefits like better fuel economy, smooth drivability, and easy cold starts
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Key Specs

Injection StyleThrottle Body
CFM800 CFM
Injector Size100
Max Horsepower Rating650
ECM IncludedYes
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Need To Know

Quick and Easy Returns

Return Policy

Holley Sniper 550-511-BPD Details

The Sniper 2 EFI is a self-tuning, easy-to-install EFI conversion system for 4-barrel carburetors, designed to modernize classic engines with improved cold starts, drivability, and fuel economy; featuring 14 new updates for enhanced reliability, it integrates seamlessly with the Sniper Ecosystem and now includes an optional Power Distribution Module for streamlined wiring and installation

  • Self-tuning fuel injection system, designed for easy installation on 4-barrel carburetors with minimal wiring
  • Includes 14 new upgrades, such as a redesigned ECU and throttle geometry for smoother operation and improved reliability
  • Fully compatible with Sniper accessories like Hyperspark ignition, various displays, and comprehensive fuel systems
  • New PDM accessory simplifies wiring by centralizing EFI and ignition connections
  • Converts classic engines to run like modern fuel-injected systems, with benefits like better fuel economy, smooth drivability, and easy cold starts

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-BPD Specifications

KEY SPECS
MFG. Part #550-511-BPD
BrandHolley Sniper
Injection StyleThrottle Body
CFM800 CFM
Injector Size100
Max Horsepower Rating650
ECM IncludedYes
GENERAL
User TunableYes
Self TuningYes
Injectors IncludedYes
Intake Manifold IncludedNo
Metering StyleSpeed density
EGRNo
Throttle Body IncludedYes
Throttle Body MaterialCast Aluminum
Throttle Body FinishBlack
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