Top 7 Holley SNIPER EFI – Automotive Replacement Fuel Injector Kits


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1. Holley

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Holley 550-511K Sniper EFI Self-Tuning Master Kit

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Holley #ad - Inlet/outlet size: 9/16-18 female o-ring an 6 | map sensor: 2bar | max horsepower rating: 650 naturally Aspirated | Product Type: Sniper 4BBL TBI Kits | Transmission: 700R4/200R4-TH350 Holley just brought efi within range, muscle cars, introducing sniper efi master kits! it's economically priced so you can have all the benefits of EFI and still have money to finish or upgrade the rest of your ride! Perfect for street rods, off road trucks or nearly any carbureted vehicle.

The sniper efi master kit contains the most complete EFI fuel system on the market. Upgrade to sniper efI and get the tactical accuracy of EFI today! Brand new holley sniper efi self-tuning master kit, black ceramic finish Holley Sniper 4 Barrel Fuel Injection Conversion - Self-Tuning Master Kit plus Handheld EFI Monitor Part #550-511K.

Put an end to cold start issues, vapor lock, and flooding. Specs: cfm: 800 | emission code: 3 | finish: black | flange style: dual bolt pattern | fuel Pressure: 58. 5 psi | height: 3. 28" injector Size: 100 lb. Hr @58. 5 psi. Everything is included to completely plumb your fuel system including; 20 feet of 3/8" efi Hose, in-line fuel pump, hesitations, post and pre fuel filters, return bulkhead, and all of the necessary fittings and hardware.
BrandHolley #ad
ManufacturerHolley #ad
Height0 Inches
Length0 Inches
Weight20.04 Pounds
Width0 Inches
Part Number550-511K
Model550-511K

2. Southwest Speed

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NEW HOLLEY SNIPER EFI SELF-TUNING KIT,800 CFM,BLACK,4BBL,FUEL INJECTION CONVERSION

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Southwest Speed #ad - Part #550-511. Put an end to cold start issues, and flooding. Specs: cfm: 800 | coast guard approved: yes | emission code: 3 | finish: black | flange style: dual bolt Pattern | Fuel Pressure: 58. 5 psi | height: 3.

28" | injector Size: 100 lb. Hr @58. 5 psi. Upgrade to sniper efI and get the tactical accuracy of EFI today! Inlet/outlet size: 9/16-18 female o-ring an 6 | map sensor: 2bar | max horsepower rating: 650 naturally Aspirated | Model: 4150 EFI Conversion Throttle Body | Product Type: EFI | Transmission: 700R4/200R4. Brand new holley sniper efi self-tuning kit - black ceramic finish, 4 Barrel Fuel Injection Conversion - Self Tuning Kit plus Handheld EFI Monitor.

Holley just brought efi within range! introducing sniper efi! it's economically priced so you can have all the benefits of EFI and still have money to finish or upgrade the rest of your ride! Perfect for street rods, muscle cars, vapor lock, hesitations, off road trucks or nearly any carbureted vehicle.
BrandSouthwest Speed #ad
ManufacturerHOLLEY PERFORMANCE PRODUCTS #ad
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Part NumberHOL-550-511

3. Southwest Speed

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NEW HOLLEY SNIPER EFI MASTER KIT,800 CFM,BLACK,4BBL,FUEL INJECTION CONVERSION,MODULE,FUEL PUMP,RETURNLESS

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Southwest Speed #ad - This contains combines the sniper efi self learning throttle Body, with an easy to install In-Tank Retrofit Returnless Module, 20 ft of Earl's Vapor Guard Fuel Hose, and the required fittings. Note: this kit does not require a fuel return line, as the fuel pressure regulator is mounted in the tank.

The included fuel system places a 340lph fuel pump in the tank, safely route the vapor guard fuel line along the chassis back to the diecast fuel hat, which can easily be accomplished with basic hand tools. The drop-in master kits make plumbing your sniper EFI installation as hassle free as possible, simply cap the regulator on the sniper efi throttle body with the provided -6an cap, and the job is finished.

Brand new holley sniper efi returnless master kit - black ceramic finish Holley Sniper 4 Barrel Fuel Injection Conversion - Self-Tuning Master Kit plus Handheld EFI Monitor Part #550-511D. Are you waiting to convert your carbureted vehicle to sniper efi, but don't like the idea of mounting an external fuel pump? Look no further. Introducing sniper efi Master Kits, with a Returnless Retrofit Fuel Module.
BrandSouthwest Speed #ad
ManufacturerHOLLEY PERFORMANCE PRODUCTS #ad
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Part NumberHOL-550-511D

4. Southwest Speed

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NEW HOLLEY SNIPER EFI SELF-TUNING MASTER KIT,800 CFM,GOLD,4BBL,FUEL INJECTION CONVERSION

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Southwest Speed #ad - Holley just brought efi within range, introducing sniper efi master kits! it's economically priced so you can have all the benefits of EFI and still have money to finish or upgrade the rest of your ride! Perfect for street rods, muscle cars, off road trucks or nearly any carbureted vehicle.

Brand new holley sniper efi self-tuning master kit, gold ceramic finish Holley Sniper 4 Barrel Fuel Injection Conversion - Self-Tuning Master Kit plus Handheld EFI Monitor Part #550-516K. Inlet/outlet size: 9/16-18 female o-ring an 6 | map sensor: 2bar | max horsepower rating: 650 naturally Aspirated | Product Type: Sniper 4BBL TBI Kits | Transmission: 700R4/200R4-TH350 The sniper efi master kit contains the most complete EFI fuel system on the market. Upgrade to sniper efI and get the tactical accuracy of EFI today! Specs: cfm: 800 | emission code: 3 | finish: gold | flange style: dual bolt pattern | fuel Pressure: 58.

5 psi | height: 3. 28" injector Size: 100 lb. Hr @58. 5 psi. Everything is included to completely plumb your fuel system including; 20 feet of 3/8" efi Hose, post and pre fuel filters, vapor lock, in-line fuel pump, hesitations, and all of the necessary fittings and hardware. Put an end to cold start issues, return bulkhead, and flooding.
BrandSouthwest Speed #ad
ManufacturerHOLLEY PERFORMANCE PRODUCTS #ad
Height0 Inches
Length0 Inches
Weight0 Pounds
Width0 Inches
Part NumberHOL-550-516K

5. Southwest Speed

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NEW HOLLEY SNIPER EFI SELF-TUNING MASTER KIT,800 CFM,SHINY,4BBL,FUEL INJECTION CONVERSION

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Southwest Speed #ad - Specs: cfm: 800 | emission code: 3 | finish: shiny | flange style: dual bolt pattern | fuel Pressure: 58. 5 psi | height: 3. 28" injector Size: 100 lb. Hr @58. 5 psi. Brand new holley sniper efi self-tuning master kit, shiny finish holley Sniper 4 Barrel Fuel Injection Conversion - Self-Tuning Master Kit plus Handheld EFI Monitor Part #550-510K.

Inlet/outlet size: 9/16-18 female o-ring an 6 | map sensor: 2bar | max horsepower rating: 650 naturally Aspirated | Product Type: Sniper 4BBL TBI Kits | Transmission: 700R4/200R4-TH350 Upgrade to sniper efI and get the tactical accuracy of EFI today! Holley just brought efi within range, introducing sniper efi master kits! it's economically priced so you can have all the benefits of EFI and still have money to finish or upgrade the rest of your ride! Perfect for street rods, muscle cars, off road trucks or nearly any carbureted vehicle.

Put an end to cold start issues, hesitations, vapor lock, in-line fuel pump, and flooding. The sniper efi master kit contains the most complete EFI fuel system on the market. Everything is included to completely plumb your fuel system including; 20 feet of 3/8" efi Hose, post and pre fuel filters, return bulkhead, and all of the necessary fittings and hardware.
BrandSouthwest Speed #ad
ManufacturerHOLLEY PERFORMANCE PRODUCTS #ad
Height0 Inches
Length0 Inches
Weight0 Pounds
Width0 Inches
Part NumberHOL-550-510K

6. Southwest Speed

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NEW HOLLEY SNIPER EFI 2300 SELF-TUNING MASTER KIT, 2 BBL FUEL INJECTION CONVERSION,BLACK CERAMIC,580 CFM,350 HP,COMPATIBLE WITH 2300 FLANGE STYLE MANIFOLDS

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Southwest Speed #ad - Specs: brand: holley sniper efi | cfm: 580 | coast guard approved: yes | emission code: 3 | finish: Black Ceramic | Flange Style/Size: 2300 | Fuel Pressure: 58. 5 psi | height: 3. 28". Brand new holley sniper efi 2300 self-tuning master kit, black ceramic, 350 HP, 2 bbl fuel injection system, 580 cfm, Fits 2300 Flange Style Manifolds Holley Part #550-850K.

Note: united states coast guard approved certified to iso 8846, such as part number, sae j1171 requirements | Ford transmissions may require Part Number 20-60 Ford Transmission Kickdown Spring & Bracket kit | A Flame Arrestor is REQUIRED for marine installations, 720-1 or 720-13. Gasket adapter p/n 1933 4150 square Flange or 1929MRG Spread Bore. Easily adapts to square flange or Q-jet flange 4 bbl intake w/ Mr. Perfect for any vehicle that came standard w/ 2300 holley flange such as Fairlanes, Comets, Javelins, Thunderbirds, hesitations, Mustangs, Galaxies, Rebels, Cougars & more.

Injector size: 100 lb/hr @ 58. 5 psi | inlet/outlet size: 9/16-18 female o-ring an 6 | map sensor: 2 bar | max horsepower rating: 350 naturally Aspirated | Product Type: Sniper 2 BBL EFI Kits | Transmission: 700R4/200R4, Ford C4/C6, TH350 Introducing sniper efi 2300, putting an end to cold start issues, falcons, vapor lock, f100s, & flooding. Bolt-on replacement for classic Holley Carburetors like 0-4412 or 0-7448.
BrandSouthwest Speed #ad
ManufacturerHOLLEY PERFORMANCE PRODUCTS #ad
Height0 Inches
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Weight0 Pounds
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Part NumberHOL-550-850K

7. Holley

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Holley 550510 Electronic Fuel Injection

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Holley #ad - A flame arrestor is required for marine installations, Battery -, such as part number, 720-1 or 720-13. 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! Note : Refer to the PDF attached below in Technical Specification for User Manual.

Throttle body mounted ecu – no extra boxes to mount. Supports up to 650hp with four 100 lb/Hr Injectors! Only 4 wiring connections required! battery +, switched ignition & rpm. Dual pattern bolt on carburetor replacement, designed to fit 4150 Flange & Spread Bore manifolds - Spread Bore Sealing Plate Part #9006 is recommended.
BrandHolley #ad
ManufacturerHolley #ad
Height8 Inches
Length12.25 Inches
Weight9.02 Pounds
Width11 Inches
Part Number550510
Model550510