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Holley Sniper EFI

Holley Sniper EFI 2300 Self-Tuning Kit - Classic Gold Finish

Holley Sniper 2 Barrel Fuel Injection Conversion - Self-Tuning Kit + Handheld Display - Classic Gold Finish

Part # 550-851
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$1,106.95
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$1,230.00
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Emissions

This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles.

See Emissions Details

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Holley just brought EFI within range! Introducing Sniper EFI 2300! It's perfect for any vehicle that came standard with a 2300 Holley Flange like some Fairlanes, Galaxies, Falcons, Comets, F100s, Javelins, Rebels, Mustangs, Thunderbirds, Cougars and more. It's economically priced so you can have all the benefits of EFI and still have money to finish or upgrade your ride! It also easily adapts to a square flange or Q-jet flange 4bbl intake with a Mr. Gasket adapter P/N 1933 (4150 Square Flange) or 1929MRG (Spread Bore). Bolt-on replacement for popular classic Holley Carburetors such as the 0-4412 or 0-7448. Put an end to cold start issues, hesitations, vapor lock, and flooding. Upgrade to Sniper EFI and get the tactical accuracy of EFI today!

Features:

  • Bolt on 2300 Flange Carburetor Replacement
  • Supports up to 350HP with Two 100lb/hr Injectors
  • Equipped with C4 / C6 Ford transmission kickdown lever as well as TH350, 400 and 700R4 provisions
  • Accepts many common 5 1/8" OEM or aftermarket air cleaner assemblies
  • Throttle body mounted ECU – no extra boxes to mount
  • Integrated ignition timing control
  • Only 4 Wiring Connections Required! (Battery +, Battery - , Switched Ignition & RPM)
  • Internal fuel pressure regulator eliminates the hassle of plumbing an external fuel pressure regulator (Preset to 58.5 PSI)
  • High Resolution Full Color Touchscreen for Initial Setup, Tuning, and Gauge Displays
  • Simple Calibration Wizard (answer a few questions about your engine and it creates the base map, then starts tuning on its own!) - NO laptop required!
  • Self-tuning ECU means you don't have to be a computer/tuning wiz to have EFI!
  • The included Genuine Bosch LSU 4.9 Wideband Oxygen Sensor provides realtime Fuel Map Learn!
  • OEM Style TPS/IAC and Fuel Pressure regulator, for years of dependable service.
  • Included clamp-on oxygen sensor kit for 2.25" exhaust ensures a leak free oxygen sensor installation, with Stainless Steel T-Bolt clamps and a Stainless Steel (Weldable) oxygen sensor flange
  • Sniper EFI Software free to download which allows for realtime tuning
  • Printable throttle body flange template included
  • Certified to ISO 8846, SAE J1171 & United States Coast Guard Requirements for Ignition Protection & Fire Resistance. Making Sniper EFI the perfect choice for carburetor to marine fuel injection conversions!
  • A Flame Arrestor is REQUIRED for marine installations, such as part number, 720-1 or 720-13
  • Patent Pending
United States Coast Guard Approved
Certified to ISO 8846, SAE J1171 Requirements
Brand Holley Sniper EFI
CFM580
Coast Guard ApprovedYes
Emission Code3
FinishClassic Gold
Flange Size2300
Flange Style2300
Fuel Pressure58.5 PSI
Height3.28"
Injector Size100 lb/hr @ 58.5 PSI
Inlet / Outlet Size9/16-18 Female O-Ring (AN 6)
MAP Sensor2Bar
Max Horsepower Rating350 Naturally Aspirated
Product TypeSniper 2BBL EFI Kits
Transmission700R4/200R4
Ford C4/C6
TH350
UPC090127021316
Part Number550-851
3

This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles.


The following vehicles are considered Uncontrolled (Non-Emissions Controlled) Vehicles:

  • 1965 and older U.S. manufactured California Certified vehicles
  • 1967 and older U.S. manufactured Federally Certified vehicles
  • 1967 and older Foreign manufactured vehicle


WARNING: It is against the law to install this part on an Emissions Controlled Vehicle


The following vehicles are considered Emissions Controlled Vehicles:

  • 1966 and newer U.S. manufactured California Certified vehicles
  • 1968 and newer U.S. manufactured Federally Certified vehicles
  • 1968 and newer Foreign manufactured vehicle
SniperEFI 2300 Application Guide
SniperEFI 2300 Application Guide
Instructions for 550-851
Quick Start Guide 2300
Ford transmissions may require Part Number 20-60 Ford Transmission Kickdown Spring & Bracket kit.

Have a question about this product?

  • Question

    Would it be capable of handling boost of 5lbs on on a small inline six that makes about 200hp?

    By Rehn D. on March 9, 2018

    Answer
    Yes sir, the ECU has a built in 2Bar MAP sensor.
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Some parts are not legal for use in California or other states with similar regulations.