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Description
Holley Sniper EFI 2300 Self-Tuning Kit - BlackHolley Sniper EFI 2300 Self Tuning Kit Black Supports Up To 350 HP 3. 5 in. Handheld Monitor Return Fuel System Overview Using the Sniper EFI 2300 you can put an end to cold start issues, hesitations, vapor lock, and flooding on your Fairlanes, Galaxies, Falcons, Comets, F100s, Javelins, Rebels, Mustangs, Thunderbirds, Cougars and more. A Sniper kit is the #1 way to upgrade your classic to fuel injection in a cost efficient way with just 4 simple
Holley Sniper EFI 2300 Self-Tuning Kit - BlackSupports Up To 350 HP - 3.5 in. Handheld Monitor - Return Fuel System
Overview
Using the Sniper EFI 2300 you can put an end to cold start issues, hesitations, vapor lock, and flooding on your Fairlanes, Galaxies, Falcons, Comets, F100s, Javelins, Rebels, Mustangs, Thunderbirds, Cougars and more. A Sniper kit is the #1 way to upgrade your classic to fuel injection in a cost-efficient way with just 4 simple connections required. After a simple installation designed to be completed at home in your garage or driveway with limited tools and the support of Holley's comprehensive installation manual and videos, you'll be enjoying better engine performance, improved miles per gallon and easier starting. This kit supports up to 350 Horsepower Naturally Aspirated and 285 Horsepower on Forced Induction setups with 2 x 100 Lb/Hr Injectors. You don't have to be a tuning genius or computer wiz to convert your build to EFI. Our simple calibration wizard allows you to just answer a few questions about your engine and the system will begin self-tuning with no laptop required. Use the high resolution 3.5" full color touchscreen for tuning and gauge displays. The Sniper EFI 2300 Master Kit includes a complete fuel system consisting of; 20ft of 3/8" vapor guard fuel hose, fuel pump, filters, and all necessary hardware to return fuel into your tank. Additionally, you're getting a 4.9 wideband oxygen sensor with a leak free oxygen sensor, oem style TPS/IAC, fuel pressure regulator, all Stainless Steel T-Bolt clamps and a Stainless Steel weldable flange. Now that you're beginning your EFI journey, you don't have to stop here! Sniper is apart of a complete ecosystem designed specifically to work together and support all of your EFI needs. This kit pair's seamlessly together with plug-n-play Hyperspark Ignition systems (coil, ignition box and distributors), fuel system's (fuel pump kits, modules, in-tank systems), air cleaners digital dashes to unlock the full potential of your build.
Ford transmissions may require Part Number 20-60 Ford Transmission Kickdown Spring Bracket kit.
Features:
- Bolt on 2300 Flange Carburetor Replacement
- Self-tuning ECU means you don't have to be a computer/tuning wiz to have EFI!
- 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!
- Only 4 Wiring Connections Required! (Battery +, Battery - , Switched Ignition RPM)
- High Resolution Full Color Touchscreen for Initial Setup, Tuning, and Gauge Displays
- 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
- Internal fuel pressure regulator eliminates the hassle of plumbing an external fuel pressure regulator (Preset to 58.5 PSI)
- 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
Details:
- CFM: 580
- Coast Guard Approved: Yes
- Finish: Black
- Flange Size: 2300
- Flange Style: 2300
- Fuel Pressure: 58.5 PSI
- 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
- Transmission: 700R4/200R4
- Transmission: Ford C4/C6
- Transmission: TH350
Links
Instruction Sheet
Quick Start Guide
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.8 ★★★★★
Based on 17 reviews
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Product Reviews
★★★★★ 5
Just ordered another for an additional car -- original purchase from 2022 still going strong.
Just ordered my 3rd to keep one in each car. Good unit. The first one I bought was in 2022 and still works great. Reasonable fast to inflate tires -- don't compare it to shop air or a gas station, but it's way faster than cheaper ones. Only negative, I think my daughter lost one somehow because I should have had enough! :-)
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 10, 2026
★★★★★ 4
Easy to use tire pump
Has easy to read digital pressure gague. Has built in light for finding tire valve stem in dim garage. Hose is flexible and stores by wrapping around pump. Shuts off automatically when tire is at desired pressure. Pressure on pump matched readings on my car tire pressure readout. Pressure only shows half psi increments so it takes a while to see if the tire is inflating. Inflation is somewhat slower than the one this pump replaced but it gets there accurately eventually.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 26, 2026
★★★★★ 5
Nice tire sealant.
Size: 32 oz
This seems to work very well. I will say that it seems to be pretty important to move the wheel around as soon as you can to distribute the product within the tire. I was held up for a few minutes and the Liqui tube seemed to start to set up in one spot and made the tire out of balance so I had to work quick to get it to distribute to the other parts of the tire. It seems to have worked though and so far the tires are holding air very well. I will be interested to see if it lasts for a long time but so far so good.
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Reviewed in the United States on May 18, 2026
★★★★★ 5
This stuff works!
Size: 32 oz
I was sceptical but wanted to avoid replacing 2 rear tires on my zero turn mower. The tires were leaking air and had bad sidewall cracking. I found the use of the product to be easy and quick. I aired up the tires and rode around the yard a few minutes to distribute the product in the tires. It has been 4 days and both tires remain aired up. Previously both tires would already be flat within this timeframe. Excellent results for me!
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Reviewed in the United States on May 18, 2026
★★★★★ 1
Doesn’t work for a car Tire seal slow leak
Size: 16 oz
Does not work for a car tire. Had a slow rim seal leak. Out 32oz in still leaks the same. Do not buy. I got the one with fibers in it. It worked just fine. This does not work. Period. $30 wasted actually I purchased two so I wasted $60 when I could’ve bought probably a new tire
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Reviewed in the United States on April 8, 2026
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