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Holly Sniper EFI Holley 2300 Self-Tuning Kit, Black 550-850

Holly Sniper EFI Holley 2300 Self-Tuning Kit, Black 550-850
Holly Sniper EFI Holley 2300 Self-Tuning Kit, Black 550-850Holly Sniper EFI Holley 2300 Self-Tuning Kit, Black 550-850
$1,890.99 ea
NEWARRIVING SOONEstimated Ship Date 05/16/2025 (If Ordered Today)39 Available from HOLLEY PERFORMANCE PRODUCTS as of 04/28/2025
Model: 4008257
Select a Vehicle or refer to the Vehicle Fitment Tab below to verify that this part fits your vehicle.
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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). Bolt-on replacement for popular classic Holley Carburetors such as the 0-4412 or 0-7448. 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:
  • Self-tuning ECU means you don’t have to be a computer/tuning wiz to have EFI!
  • Sniper EFI Software free to download which allows for realtime tuning
  • Integrated ignition timing control
  • A Flame Arrestor is REQUIRED for marine installations, such as part number, 720-1 or 720-13
  • Supports up to 350HP with Two 100lb/hr Injectors
  • 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
  • The included Genuine Bosch LSU 4.9 Wideband Oxygen Sensor provides realtime Fuel Map Learn!
  • High Resolution Full Color Touchscreen for Initial Setup, Tuning, and Gauge Displays
  • 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!
  • Bolt on 2300 Flange Carburetor Replacement
  • Patent Pending
  • 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!
  • Throttle body mounted ECU – no extra boxes to mount
  • Internal fuel pressure regulator eliminates the hassle of plumbing an external fuel pressure regulator (Preset to 58.5 PSI)
  • OEM Style TPS/IAC and Fuel Pressure regulator, for years of dependable service.
  • Printable throttle body flange template included
  • Only 4 Wiring Connections Required! (Battery +, Battery - , Switched Ignition & RPM)
  • Accepts many common 5 1/8" OEM or aftermarket air cleaner assemblies
  • Equipped with C4 / C6 Ford transmission kickdown lever as well as TH350, 400 and 700R4 provisions
Ford transmissions may require Part Number 20-60 Ford Transmission Kickdown Spring & Bracket kit.
Installation Notes:
Ford transmissions may require Part Number 20-60 Ford Transmission Kickdown Spring & Bracket kit.

Downloads:

Download Name File Size
199r11321.pdf5.45MB
199r11364.pdf1.5MB
techlibrary_2300flangeboltpatternyearmakemodel.pdf810.86KB

Videos:

Vehicle Fitment:

The Vehicle Fitment Guide is to be used as a general reference. The data has been provided by our suppliers and manufacturers and may contain errors or incorrect data. Always refer to a professional to verify correct fitment for your vehicle.
Make Model Years Engine
Ford Bronco 1966 4.7L / 289 / V8
Ford Bronco 1967 4.7L / 289 / V8
Ford Bronco 1968 5.0L / 302 / V8
4.7L / 289 / V8
Ford Bronco 1970 5.0L / 302 / V8
Ford Bronco 1971 5.0L / 302 / V8
Ford Bronco 1972 5.0L / 302 / V8
Ford Bronco 1973 5.0L / 302 / V8
Ford Bronco 1974 5.0L / 302 / V8
Ford Bronco 1975 5.0L / 302 / V8
Ford Bronco 1976 5.0L / 302 / V8
Ford Bronco 1977 5.0L / 302 / V8
Ford Bronco 1978 5.8L / 351 / V8
Ford Bronco 1979 5.8L / 351 / V8
Ford Bronco 1980 5.0L / 302 / V8
5.8L / 351 / V8
Ford Courier Sedan Delivery 1957 5.8L / 352 / V8
Ford Courier Sedan Delivery 1958 5.8L / 352 / V8
Ford F-100 1957 5.8L / 352 / V8
Ford F-100 1958 5.8L / 352 / V8
Ford F-100 1959 5.8L / 352 / V8
4.8L / 292 / V8
Ford F-100 1960 4.8L / 292 / V8
Ford F-100 1961 4.8L / 292 / V8
Ford F-100 1962 4.8L / 292 / V8
Ford F-100 1963 4.8L / 292 / V8
Ford F-100 1964 4.8L / 292 / V8
Ford F-100 1965 5.8L / 352 / V8
Ford F-100 1966 5.8L / 352 / V8
Ford F-100 1967 5.8L / 352 / V8
Ford F-100 1968 6.4L / 390 / V8
5.9L / 360 / V8
Ford F-100 1969 6.4L / 390 / V8
5.9L / 360 / V8
Ford F-100 1970 5.0L / 302 / V8
6.4L / 390 / V8
5.9L / 360 / V8
Ford F-100 1971 5.0L / 302 / V8
6.4L / 390 / V8
5.9L / 360 / V8
Ford F-100 1972 5.0L / 302 / V8
6.4L / 390 / V8
5.9L / 360 / V8
Ford F-100 1973 5.0L / 302 / V8
6.4L / 390 / V8
5.9L / 360 / V8
Ford F-100 1974 5.0L / 302 / V8
6.4L / 390 / V8
5.9L / 360 / V8
Ford F-100 1975 5.0L / 302 / V8
6.4L / 390 / V8
5.9L / 360 / V8
Ford F-100 1976 5.0L / 302 / V8
6.4L / 390 / V8
5.9L / 360 / V8
Ford F-100 1977 5.0L / 302 / V8
5.8L / 351 / V8
Ford F-100 1978 5.0L / 302 / V8
5.8L / 351 / V8
Ford F-100 1979 5.0L / 302 / V8
5.8L / 351 / V8
Ford F-100 1980 5.0L / 302 / V8
Ford F-150 1975 5.0L / 302 / V8
6.4L / 390 / V8
5.9L / 360 / V8
Ford F-150 1976 5.0L / 302 / V8
6.4L / 390 / V8
5.9L / 360 / V8
Ford F-150 1977 5.0L / 302 / V8
5.8L / 351 / V8
Ford F-150 1978 5.0L / 302 / V8
5.8L / 351 / V8
Ford F-150 1979 5.0L / 302 / V8
5.8L / 351 / V8
Ford F-150 1980 5.0L / 302 / V8
5.8L / 351 / V8
Ford F-250 1960 4.8L / 292 / V8
Ford F-250 1961 4.8L / 292 / V8
Ford F-250 1962 4.8L / 292 / V8
Ford F-250 1963 4.8L / 292 / V8
Ford F-250 1964 4.8L / 292 / V8
Ford F-250 1965 5.8L / 352 / V8
Ford F-250 1966 5.8L / 352 / V8
Ford F-250 1967 5.8L / 352 / V8
Ford F-250 1968 6.4L / 390 / V8
5.9L / 360 / V8
Ford F-250 1969 6.4L / 390 / V8
5.9L / 360 / V8
Ford F-250 1970 6.4L / 390 / V8
5.9L / 360 / V8
Ford F-250 1971 6.4L / 390 / V8
5.9L / 360 / V8
Ford F-250 1972 6.4L / 390 / V8
5.9L / 360 / V8
5.0L / 302 / V8
Ford F-250 1973 6.4L / 390 / V8
5.9L / 360 / V8
5.0L / 302 / V8
Ford F-250 1974 6.4L / 390 / V8
5.9L / 360 / V8
5.0L / 302 / V8
Ford F-250 1975 6.4L / 390 / V8
5.9L / 360 / V8
Ford F-250 1976 6.4L / 390 / V8
5.9L / 360 / V8
Ford F-250 1977 5.8L / 351 / V8
5.0L / 302 / V8
Ford F-250 1978 5.8L / 351 / V8
Ford F-250 1979 5.8L / 351 / V8
Ford F-250 1980 5.8L / 351 / V8
Ford F-350 1960 4.8L / 292 / V8
Ford F-350 1961 4.8L / 292 / V8
Ford F-350 1962 4.8L / 292 / V8
Ford F-350 1963 4.8L / 292 / V8
Ford F-350 1964 5.9L / 361 / V8
5.9L / 360 / V8
4.8L / 292 / V8
Ford F-350 1965 5.9L / 361 / V8
5.9L / 360 / V8
5.8L / 352 / V8
Ford F-350 1966 5.9L / 361 / V8
5.9L / 360 / V8
5.8L / 352 / V8
Ford F-350 1967 5.8L / 352 / V8
Ford F-350 1968 5.9L / 360 / V8
6.4L / 390 / V8
Ford F-350 1969 5.9L / 360 / V8
6.4L / 390 / V8
Ford F-350 1970 5.9L / 360 / V8
6.4L / 390 / V8
Ford F-350 1971 5.9L / 360 / V8
6.4L / 390 / V8
Ford F-350 1972 5.9L / 360 / V8
5.0L / 302 / V8
6.4L / 390 / V8
Ford F-350 1973 5.9L / 360 / V8
5.0L / 302 / V8
6.4L / 390 / V8
Ford F-350 1974 5.9L / 360 / V8
5.0L / 302 / V8
6.4L / 390 / V8
Ford F-350 1975 5.9L / 360 / V8
6.4L / 390 / V8
Ford F-350 1976 5.9L / 360 / V8
6.4L / 390 / V8
Ford F-350 1977 5.0L / 302 / V8
5.8L / 351 / V8
Ford F-350 1978 5.0L / 302 / V8
5.8L / 351 / V8
Ford F-350 1979 5.8L / 351 / V8
Ford F-350 1980 5.0L / 302 / V8
5.8L / 351 / V8
Ford Falcon Sedan Delivery 1963 4.3L / 260 / V8
Ford Falcon Sedan Delivery 1964 4.3L / 260 / V8
Ford Falcon Sedan Delivery 1965 4.7L / 289 / V8
Ford Ranchero 1957 5.8L / 352 / V8
Ford Ranchero 1958 5.8L / 352 / V8
Ford Ranchero 1959 5.8L / 352 / V8
Ford Ranchero 1963 4.3L / 260 / V8
Ford Ranchero 1964 4.3L / 260 / V8
Ford Ranchero 1965 4.7L / 289 / V8
Ford Ranchero 1966 4.7L / 289 / V8
Ford Ranchero 1967 4.7L / 289 / V8
6.4L / 390 / V8
Ford Ranchero 1968 5.0L / 302 / V8
7.0L / 428 / V8
6.4L / 390 / V8
Ford Ranchero 1969 5.0L / 302 / V8
7.0L / 428 / V8
5.8L / 351 / V8
6.4L / 390 / V8
Ford Ranchero 1970 5.0L / 302 / V8
7.0L / 429 / V8
5.8L / 351 / V8
Ford Ranchero 1971 5.0L / 302 / V8
7.0L / 429 / V8
5.8L / 351 / V8
Ford Ranchero 1972 5.0L / 302 / V8
7.0L / 429 / V8
5.8L / 351 / V8
Ford Ranchero 1973 5.0L / 302 / V8
7.0L / 429 / V8
5.8L / 351 / V8
Ford Ranchero 1974 5.0L / 302 / V8
5.8L / 351 / V8
Ford Ranchero 1975 5.8L / 351 / V8
Ford Ranchero 1976 5.8L / 351 / V8
Ford Ranchero 1977 5.0L / 302 / V8
5.8L / 351 / V8
Ford Ranchero 1978 5.0L / 302 / V8
5.8L / 351 / V8
Ford Ranchero 1979 5.0L / 302 / V8
5.8L / 351 / V8

Specifications:

CFM 580
Coast Guard Approved Yes
Emission Code 3
Finish Black
Flange Size 2300
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
Part Type Fuel Injection Conversion Kit
Product Type Sniper EFI 2300
Proposition 65 www.P65Warnings.ca.gov
Transmission 700R4/200R4

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