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Holley Sniper 550-849K EFI 2300 Self-Tuning Master Kit
Holley Sniper 550-849K EFI 2300 Self-Tuning Master Kit

Holley Sniper 550-849K EFI 2300 Self-Tuning Master Kit

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Holley Sniper 550-849K EFI 2300 Self-Tuning Master Kit
Holley Sniper 550-849K EFI 2300 Self-Tuning Master Kit
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We estimate this item will ship on or before July 9th.
Part # 425550849K
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Important Messages:

  • This item ships directly from the manufacturer. It may take an additional 10 business days for Sniper to ship this item.
  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
  • This item ships via Ground Shipping only. Expedited and Air shipping options are not available.

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Holley Sniper offers a Master Kit for EFI 2300 Self-Tuning system. This is everything that you will need to install this EFI system. This part is perfect for any vehicle that came from the factory with a Holley 2300 carb. The benefits of this part are it puts an end to vapor lock, flood, hesitations and cold start issues. 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 550-1933 (4150 Square Flange) or 550-1929MRG (Spread Bore). 

  • 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
  • Shiny Finish
  • Sold as a kit

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

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  • Speedway Motors and Classic Trucks built a 1952 Chevy truck in celebration of the 65th anniversary of Speedway Motors. Check out the short video on one of the products used in the build.
  • Do you have carbs sitting on the shelf waiting to be put on? Heath talks about the preparation and parts needed to install a set of Super 9-7 Carbs on his 1949 Flathead 8BA V8 Model A.
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