Holley EFI 550-850

☆☆☆☆☆ reviews

US$539.98
Price when purchased online
Free shipping Free 30-day returns

Sold and shipped by
We aim to show you accurate product information. Manufacturers, suppliers and others provide what you see here.
US$539.98
Price when purchased online
Free shipping Free 30-day returns

How do you want your item?
You get 30 days free! Choose a plan at checkout.
Shipping
Arrives Nov 12
Free
Pickup
Check nearby
Delivery
Not available

Sold and shipped by
Free 30-day returns Details

Product details

Management number 254596564 Release Date 2026/11/07 List Price US$539.98 Model Number 254596564
Category

Holley Sniper 2 Barrel Fuel Injection Conversion - Self-Tuning Kit + Handheld Display - Black Ceramic Finish;<br><br>Holley just brought EFI within range!<br><br>Introducing Sniper EFI 2300! <br><br>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.<br><br>Put an end to cold start issues, hesitations, vapor lock, and flooding. <br><br>Upgrade to Sniper EFI and get the tactical accuracy of EFI today!;

  • 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 â€" 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
Manufacturer part number 550-850
Automotive specialty part type Fuel Injection Conversion
Compatible cars Fairlanes, Galaxies, Falcons, Comets, F100s, Javelins, Rebels, Mustangs, Thunderbirds, Cougars
Vehicle fitment type Specific
Vehicle make Ford
Vehicle model 550-850
Brand Holley Sniper EFI
Weight 8.45 lb
Finish Ceramic
Color Multicolor
Items included Handheld Display
Vehicle type Car
Automotive parts division Performance
Model 550-850
Count per pack 1
Has written warranty No

Correction of product information

If you notice any omissions or errors in the product information on this page, please use the correction request form below.

Correction Request Form

Customer ratings & reviews

0 out of 5
☆☆☆☆☆
0 ratings | 0 reviews
How item rating is calculated
View all reviews
5 stars
15% (0)
4 stars
30% (0)
3 stars
15% (0)
2 stars
8% (0)
1 star
32% (0)
Sort by

There are currently no written reviews for this product.