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Holley EFI 550-850K

Name: Holley EFI 550-850K
Brand: Holley Sniper EFI
SKU: 881514360
Price: 1599.95 USD
Availability: InStock
Rating: 4.5 (2 reviews)

4.5 stars out of 2 reviews

(4.5)|

2 ratings

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Key item features

Direct Carburetor Replacement: This Holley EFI system offers a bolt-on replacement for 2300 Flange carburetors, supporting up to 350HP with two 100lb/hr injectors.
Integrated ECU Design: The throttle body features a mounted ECU, eliminating the need for external boxes and simplifying installation with only four required wiring connections.
Transmission Compatibility: Equipped with provisions for C4/C6 Ford transmission kickdown levers, as well as TH350, 400, and 700R4 transmissions.
Simplified Setup & Tuning: Includes a high-resolution full-color touchscreen for initial setup, tuning, and gauge displays, along with a self-tuning ECU and calibration wizard.
Realtime Fuel Learning: A genuine Bosch LSU 4.9 Wideband Oxygen Sensor provides real-time fuel map learning, ensuring optimal performance without a laptop.
Internal Fuel Regulation: Features an internal fuel pressure regulator, preset to 58.5 PSI, which eliminates the need for external plumbing.
Exhaust Sensor Kit: Comes with a clamp-on oxygen sensor kit for 2.25" exhaust, including stainless steel T-Bolt clamps and a weldable oxygen sensor flange.

Generated by AI

Specs

Vehicle make
Ford
Vehicle fitment type
Specific
Automotive parts division
Performance
Brand
Holley Sniper EFI
Features
Handheld
Material
Multi

Current price is $1,599.95

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Comparison Overview:
Product	Viewing this item Holley EFI 550-850K current price $1,599.95 Holley EFI 550-850K 4.5 out of 5 Stars. 2 reviews	Holley EFI 550-857K Sniper EFI 2GC Large Bore Master Kit current price $1,599.95 Holley EFI 550-857K Sniper EFI 2GC Large Bore Master Kit	Holley 550-511-BXX Sniper 2 EFI - Black, Base Kit Without PDM current price $1,299.95 Holley 550-511-BXX Sniper 2 EFI - Black, Base Kit Without PDM	Holley 550-511-BPX-SBF Sniper 2 EFI Bundle w/ Hyperspark Ignition System - Fits Ford current price $1,999.95 Holley 550-511-BPX-SBF Sniper 2 EFI Bundle w/ Hyperspark Ignition System - Fits Ford	Holley EFI 550-871K 4150 Sniper Stealth Master Kit current price $1,799.95 Holley EFI 550-871K 4150 Sniper Stealth Master Kit 5 out of 5 Stars. 1 reviews	Holley EFI 550-866 Sniper EFI Self-Tuning Kit current price $1,449.95 Holley EFI 550-866 Sniper EFI Self-Tuning Kit	Holley EFI 558-453 CAN Adapter Harness - 8 Foot Length current price $67.49 Holley EFI 558-453 CAN Adapter Harness - 8 Foot Length	Holley EFI 558-513 EFI MPFI Harness Kits current price $972.95 Holley EFI 558-513 EFI MPFI Harness Kits

Comparison Chart:
Vehicle make	FordHolley EFI 550-850K	ChevroletHolley EFI 550-857K Sniper EFI 2GC Large Bore Master Kit	-Holley 550-511-BXX Sniper 2 EFI - Black, Base Kit Without PDM	FordHolley 550-511-BPX-SBF Sniper 2 EFI Bundle w/ Hyperspark Ignition System - Fits Ford	FordHolley EFI 550-871K 4150 Sniper Stealth Master Kit	-Holley EFI 550-866 Sniper EFI Self-Tuning Kit	GMHolley EFI 558-453 CAN Adapter Harness - 8 Foot Length	FordHolley EFI 558-513 EFI MPFI Harness Kits
Vehicle fitment type	SpecificHolley EFI 550-850K	SpecificHolley EFI 550-857K Sniper EFI 2GC Large Bore Master Kit	SpecificHolley 550-511-BXX Sniper 2 EFI - Black, Base Kit Without PDM	SpecificHolley 550-511-BPX-SBF Sniper 2 EFI Bundle w/ Hyperspark Ignition System - Fits Ford	SpecificHolley EFI 550-871K 4150 Sniper Stealth Master Kit	SpecificHolley EFI 550-866 Sniper EFI Self-Tuning Kit	SpecificHolley EFI 558-453 CAN Adapter Harness - 8 Foot Length	SpecificHolley EFI 558-513 EFI MPFI Harness Kits
Automotive parts division	PerformanceHolley EFI 550-850K	PerformanceHolley EFI 550-857K Sniper EFI 2GC Large Bore Master Kit	PerformanceHolley 550-511-BXX Sniper 2 EFI - Black, Base Kit Without PDM	PerformanceHolley 550-511-BPX-SBF Sniper 2 EFI Bundle w/ Hyperspark Ignition System - Fits Ford	PerformanceHolley EFI 550-871K 4150 Sniper Stealth Master Kit	PerformanceHolley EFI 550-866 Sniper EFI Self-Tuning Kit	-Holley EFI 558-453 CAN Adapter Harness - 8 Foot Length	-Holley EFI 558-513 EFI MPFI Harness Kits
Features	HandheldHolley EFI 550-850K	UniversalHolley EFI 550-857K Sniper EFI 2GC Large Bore Master Kit	HandheldHolley 550-511-BXX Sniper 2 EFI - Black, Base Kit Without PDM	Easy InstallationHolley 550-511-BPX-SBF Sniper 2 EFI Bundle w/ Hyperspark Ignition System - Fits Ford	-Holley EFI 550-871K 4150 Sniper Stealth Master Kit	UniversalHolley EFI 550-866 Sniper EFI Self-Tuning Kit	-Holley EFI 558-453 CAN Adapter Harness - 8 Foot Length	Easy InstallationHolley EFI 558-513 EFI MPFI Harness Kits

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About this item

Product details

Holley Sniper 2 Barrel Fuel Injection Conversion - Self-Tuning Master Kit + Handheld Display - Black Ceramic Finish;

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).

Put an end to cold start issues, hesitations, vapor lock, and flooding.

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 1/8â€ 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 donâ€™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
Patent Pending

info:

We aim to show you accurate product information. Manufacturers, suppliers and others provide what you see here, and we have not verified it.

Specifications

Vehicle model

Fairlane, Galaxie, Falcon, Comet, F100, Javelin, Rebel, Mustang, Thunderbird, Cougar

Vehicle make

Ford

Vehicle fitment type

Specific

Automotive parts division

Performance

Warranty

Warranty information

For warranty claims / info contact Manufacturer / Brand

Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.

Warranty url

https://www.nosoemparts.com/pages/returns

Warnings

Warning Text

California Proposition 65

WARNING: WARNING CA Proposition 65:No

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Customer ratings & reviews

4.5 out of 5 stars

stars2 ratings1 review

How item rating is calculated

Filtered and sorted results would be available on the new 'Customer ratings & reviews' page.

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Showing 1-1 of 1 review

Jan 23, 2020

JEP31

5 out of 5 stars review

Great Product!

I have not got it on the car however it is Great for my 4.3 V6 that I am putting in a Model A. The look is what I wanted and the install instructions are easy to follow.

Review from jegs.com

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Holley EFI 550-850K

Key item features

Specs

How do you want your item?

More seller options (1)

Get free delivery, shipping and more*

Compare with similar items

Viewing this item

About this item

Product details

Specifications

Vehicle model

Vehicle make

Vehicle fitment type

Automotive parts division

Warranty

Warranty information

Warranty url

Warnings

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