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Description
Holley Sniper EFI 550-849K 2300 Carb 2 Barrel Master Fuel Injection Kit PolishedOverview: 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
Overview:
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!
Features:
- 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
- Sniper EFI Software free to download which allows for realtime tuning
- Printable throttle body flange template included
- Patent Pending
Application:
| Year | Make | Model | Submodel | Engine Size |
|---|---|---|---|---|
| Universal |
Specs:
| Brand | Holley Sniper EFI |
|---|---|
| CFM | 580 |
| Emission Code | 3 |
| Finish | Shiny |
| Flange Style | 2300 |
| Fuel Pressure | 58.5 PSI |
| Height | 3.28" |
| Injector Size | 100 lb/hr @ 58.5 PSI |
| Inlet / Outlet Size | 9/16-18 Female O-Ring (AN 6) |
| MAP Sensor | 2Bar |
| Max Horsepower Rating | 350 Naturally Aspirated |
| Product Type | Sniper 2BBL EFI Kits |
| Transmission | 700R4/200R4 |
| Transmission | Ford C4/C6 |
| Transmission | TH350 |
| Warning | California Proposition 65 |
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4.9 ★★★★★
Based on 20 reviews
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Product Reviews
★★★★★ 5
Outstanding book!
Format: Hardcover
A great read!
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Reviewed in the United States on April 1, 2026
★★★★★ 5
... this book was instrumental in planning and is highly recommended. In a somewhat bullet format I'll add a ...
Format: Paperback
We finished the Wonderland yesterday- this book was instrumental in planning and is highly recommended. In a somewhat bullet format I'll add a few notes...
I think it is better to deliver your food caches rather than mail them- discuss with the rangers THE ACTUAL PICK-UP POINTS, and have your map with you- they will give you current trail and water conditions, this proved to be very valuable.
We opted for a 12 day hike, after just a few days we realized that we had underestimated our hiking ability and changed out schedule to a 9 day hike. The rangers were very good about helping us with the changes, keep a slower plan and a faster plan in mind as the hike progresses (don't forget to get word to the rangers to re-date your food caches if you change your schedule).
Thank those rangers and back country guys when you see them-the trail is in splendid condition, the maintenance is ongoing. When you meet a man wearing a pack-board with a 55 gallon drum lashed to it and he is going to muck out one of the outhouses on the trail is really makes you think about all the steps that you are traversing, the water bars, the brush...on and on with the list.
Trail-trash... and I'm not talking about litter, there are some not so nice people on the trail who think nothing about leapfrogging a campsite because they "didn't like it" or the day was too long / short. That means that if you are a late arrival at a camp all the sites may be taken, then you have to ask to see permits and engage in eviction, the rangers need to hear about these guys and they leave the park "With extra paperwork:". One party we met started as a party of 3, but one of them became ill and suffered a fall resulting in an injury- so she was abandoned at Golden Lakes to fend for herself... dumped on the rangers. Point being, know your trail team- when you look at the map note where the roads are close by the trail should you need to get help.
The authors mention bugs... perhaps once or twice... they talk about deer flies and horse flies... but as much as they talk about it is still under emphasized, there are legions, hordes, armies of bugs at some of the campsites DON'T IGNORE THESE WARNINGS.
There was a great tip about putting apples / oranges / pears in your food caches- after a couple of days without fresh fruit these were a huge bonus. We also included some of the Hormel dinners- already hydrated and a nice break from the normal trail food.
All in all, this is essential equipment in planning your hike.
The Wonderland is aptly named- this one of the high churches in the outdoor religion, you will be constantly amazed!!
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Reviewed in the United States on July 16, 2015
★★★★★ 5
The Best Wonderland Trail book out there!
Format: Paperback
To plan my Wonderland Trail hike, I bought three different books, including this one. Tami's is by FAR the best. It offers great summaries of different sections as well as detailed descriptions. So many details are covered: permits, the Spray Park and Northern Loop options, packing, caching, conditioning, etc. There are numerous maps, and all of the charts at the back really helped me plan a well-informed itinerary. Great book!
I used a hard copy edition of this book to plan my Wonderland hike (since I still really like good old-fashioned books) and then downloaded the Kindle version to my phone to use for reference on the trail. After a quick read each night, I could hit the trail the next morning well-prepared for the day ahead!
I should point out that I did also bring along a Green Trails map of the Wonderland Trail, which I really only wanted to identify mountains, etc.
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Reviewed in the United States on September 6, 2017
★★★★★ 5
Best guide book I've ever purchased
Format: Paperback
This book is outstanding! Even though we backpacked the Northern Loop instead of Wonderland, there were sections in the book covering some of the camps we hiked to over our five nights in the back country. And then I ran the Wonderland Trail over three days the following week, so I was eagerly reading each night in my tent to see what I would be discovering on the trail. The author is a very good writer, knows her craft extremely well, and has obviously spent ample time in this absolute treasure of a national park. Thank you so much for writing such a valuable book.
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Reviewed in the United States on August 26, 2020
★★★★★ 4
Very Helpful Trip Planner
Format: Paperback
Good descriptions of trails, directions, and overview of each trail. I bought it to plan a trip in the Wonderland, but I realize that could be a book in itself. The information was a bit basic, but it did provide details on the different campsites that helped make decisions on which to stay at. All in all I would definately recommend!
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Reviewed in the United States on July 5, 2016