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Holley Sniper EFI

Holley Sniper EFI 2300 Drop-in Return Style Master Kit - Classic Gold

Supports Up To 350 HP - 3.5 in. Handheld Monitor - Returnless Fuel System

Finish

Fuel System

Part # 550-851D
21 Reviews

Holley Sniper EFI 2300 Drop-in Return Style Master Kit - Classic Gold

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$1,875.95
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Emissions

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

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Using the Sniper EFI 2300 you can put an end to cold start issues, hesitations, vapor lock, and flooding on your Fairlanes, Galaxies, Falcons, Comets, F100s, Javelins, Rebels, Mustangs, Thunderbirds, Cougars and more. A Sniper kit is the #1 way to upgrade your classic to fuel injection in a cost-efficient way with just 4 simple connections required. After a simple installation designed to be completed at home in your garage or driveway with limited tools and the support of Holley's comprehensive installation manual and videos, you'll be enjoying better engine performance, improved miles per gallon and easier starting. This kit supports up to 350 Horsepower Naturally Aspirated and 285 Horsepower on Forced Induction setups with 2 x 100 Lb/Hr Injectors. You don't have to be a tuning genius or computer wiz to convert your build to EFI. Our simple calibration wizard allows you to just answer a few questions about your engine and the system will begin self-tuning with no laptop required. Use the high resolution 3.5" full color touchscreen for tuning and gauge displays. The Sniper EFI Master Kit comes with an included fuel system that places a 340LPH fuel pump in the tank, which can easily be accomplished with basic hand tools. The Drop-in Master kits make plumbing your Sniper EFI installation as hassle-free as possible, simply cap the regulator on the Sniper EFI throttle body with the provided -6an cap, safely route the vapor guard fuel line along the chassis back to the diecast fuel hat, and the job is finished. Now that you're beginning your EFI journey, you don't have to stop here! Sniper is apart of a complete ecosystem designed specifically to work together and support all of your EFI needs. This kit pair's seamlessly together with plug-n-play Hyperspark Ignition systems (coil, ignition box and distributors), fuel system's (fuel pump kits, modules, in-tank systems), air cleaners & digital dashes to unlock the full potential of your build.

Features:

  • Throttle body mounted ECU – no extra boxes to mount
  • Self-tuning ECU means you don’t have to be a computer/tuning wiz to have EFI!
  • 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!
  • Only 4 Wiring Connections Required! (Battery +, Battery - , Switched Ignition & RPM)• Only 4 Wiring Connections Required! (Battery +, Battery - , Switched Ignition & RPM)
  • High Resolution Full Color Touchscreen for Initial Setup, Tuning, and Gauge Displays
  • Bolt on 2300 Flange Carburetor Replacement
  • Supports up to 350HP with Two 100 lb./hr. Injectors
  • Equipped with C4 / C6 Ford transmission kickdown lever as well as TH350, 400 and 700R4 provisions
  • Includes complete fuel system consisting of; Sniper EFI Retrofit Return Style Fuel Module; 40 ft of 3/8” Vapor Guard Fuel Hose; stainless steel hose clamps, a post filter, and various Earls fittings and caps.
  • The included Genuine Bosch LSU 4.9 Wideband Oxygen Sensor provides realtime Fuel Map Learn!
  • Integrated ignition timing control & coil driver
  • OEM Style TPS/IAC and Fuel Pressure regulator, for years of dependable service
  • Included 2.25” clamp-on oxygen sensor kit ensures a leak free oxygen sensor installation, with Stainless Steel T-Bolt clamps and a Stainless Steel (Weldable) oxygen sensor flange
  • Sniper Retrofit fuel module installs in any fuel tank from 7” to 12” deep to fit a wide variety of applications
  • The low profile design is only 1.275" thick above the tank mounting surface for added clearance when needed
  • The innovative clamping system allows you to locate the module anywhere in the tank beside your existing sending unit
  • The clamping system allows you to rotate the unit 360 degrees for easier clocking of the plumbing and wiring locations under your ride
  • Die cast aluminum construction for corrosion resistance and long lasting good looks
  • ¼” NPT ports for a wide variety of plumbing options
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
Fuel SystemUniversal Drop In Module
Height3.28"
Injector Size2x 100 lb/hr @ 58.5 PSI
Inlet / Outlet Size9/16-18 Female O-Ring (AN 6)
MAP Sensor2Bar
Max Horsepower Rating350 Naturally Aspirated
Product TypeSniper EFI 2300
Transmission700R4/200R4
Ford C4/C6
TH350
UPC090127101469
Part Number550-851D
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
Ford transmissions may require Part Number 20-60 Ford Transmission Kickdown Spring & Bracket kit.

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    Some parts are not legal for use in California or other states with similar regulations.