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550-864K - Holley Sniper EFI 2GC Small Bore Master Kit - Shiny Finish - default Image
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550-864K - Holley Sniper EFI 2GC Small Bore Master Kit - Shiny Finish - additional Image
550-864K - Holley Sniper EFI 2GC Small Bore Master Kit - Shiny Finish - additional Image
550-864K - Holley Sniper EFI 2GC Small Bore Master Kit - Shiny Finish - additional Image
550-864K - Holley Sniper EFI 2GC Small Bore Master Kit - Shiny Finish - additional Image
550-864K - Holley Sniper EFI 2GC Small Bore Master Kit - Shiny Finish - additional Image
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Holley Sniper EFI 2GC Small Bore Master Kit - Shiny Finish

Sniper EFI Conversion kit for 1955 to 1969 Chevrolet, Buick, Oldsmobile, and Pontiac vehicles that came with Rochester 2GC Small Bore Carbs.

PART# 550-864K

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Overview

Let's face it, you love driving your classic car, but dread the hassles with your Rochester 2GC carburetor. Today's fuels are blended for modern fuel injection, not that old 2Jet carburetor from 50+ years ago. Holley makes it easy to convert your classic car with a small bolt pattern, two-barrel, Rochester 2GC carb to fuel injection. The Sniper EFI 2GC Small Bore is a bolt on electronic fuel injection system that will put the fun back in your classic ride. The Rochester 2GC small bore carburetor was commonly used on 1955 - 1969 Chevrolet and Buick, Oldsmobile, and Pontiac vehicles such as the Camaro, Electra, Super 88, Tempest and most C-10 through K3500 series trucks. Installation of the Sniper EFI 2GC Small Bore throttle body is simple and straightforward:  Remove your current carburetor and bolt on the new Sniper EFI system. No intake manifold adapters required!  Reinstall your factory or custom air cleaner. The Sniper EFI 2GC air cleaner flange matches the Rochester 2GC so it accepts most factory air cleaners. Not only does the Sniper EFI 2GC offer superior throttle response and WOT power over the carburetor, but you may also benefit from increased fuel economy! Put an end to cold start issues, hesitations, vapor lock, and flooding with the accuracy of EFI. You can also use the Sniper EFI 2GC to control the ignition timing, taking EFI to the next level. The Sniper EFI 2GC system is capable of supporting 350 HP on naturally aspirated engines. Upgrade to Sniper EFI today!

Features:

  • Bolt on Rochester 2GC small bore two barrel carburetor replacement
  • Installs directly to the factory Rochester 2GC small bore intake manifold, no adapter required
  • Engineered to fit 1955-1969 GM vehicles that utilized the Rochester 2GC small bore carburetor
  • Designed to fit most factory Rochester 2GC small bore air cleaner assemblies
  • Universal throttle lever with TH350, 700R4 & 200-4R kick down provisions
  • Throttle body mounted ECU – no extra boxes to mount
  • Not designed for Tri-Power installations.
  • Supports up to 350HP with Two 100lb/hr Injectors
  • 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)
  • Integrated ignition timing control (with Holley Hyperspark, Holley Dual Sync or MSD Pro Billet distributors)
  • 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 2.0" exhaust ensures a leak free oxygen sensor installation, with Stainless Steel T-Bolt clamps and a Stainless Steel (Weldable) oxygen sensor flange
  • Includes complete fuel system consisting of; 20ft of 3/8” Vapor Guard Fuel Hose, Fuel Pump, Filters, necessary hardware and bulkhead fitting to return fuel into the tank!

Specs

BrandHolley Sniper EFI
Emission Code3
FinishShiny
Fuel Pressure58.5 PSI
Fuel SystemEFI
Injector Size100 lb/hr @ 58.5 PSI
Inlet / Outlet Size9/16-18 Female O-Ring (AN 6)
Product TypeSniper EFI 2GC Small Bore
Part Number550-864K

Service Parts


Emissions

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

The following vehicles are considered Racing Use Only Vehicles:

  • Racing Use Only Vehicles are vehicles that are used exclusively for competition and that are not registered and that may never be used on the street

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

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