Top 7 HOLLEY SUPER SNIPER EFI MASTER KIT – Automotive Replacement Fuel Injector Kits

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1. Southwest Speed

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NEW HOLLEY SUPER SNIPER EFI STEALTH KIT 4150 4 BBL FUEL INJECTION CONVERSION MASTER KIT,GOLD,870 CFM,COMPATIBLE WITH 4150 FLANGE STYLE MANIFOLDS

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Southwest Speed #ad - The sniper stealth 4150 ecu is capable of fuel map self-learning and ignition timing control, drivability, 200R4/700R4 and Ford C4/C6 applications. Injector size: 100 lb/hr @ 58. 5 psi | inlet/outlet size: 3/4-16 female o-ring an 8 | map sensor: 2bar | max horsepower rating: 650 naturally Aspirated | Model: 4150 EFI Conversion Throttle Body | Product Type: EFI | Transmission: 700R4/200R4 Ford C4/C6 TH350 The sniper stealth 4150 efi system from holley features 4, improving idle stability, and wide-open throttle horsepower! did we mention that the stealth 4150 also includes transmission kick down provisions for GM TH350/400, 100LB/HR Fuel Injectors capable of supporting up to 650 HP naturally aspirated or 600 HP on forced induction applications.

Brand new holley super sniper efi stealth 4150 4 bbl fuel injection master kit, 870 CFM, Gold, Compatible with 4150 Flange Style Manifolds Holley Part #550-872K.

Master kits include complete fuel system with an external fuel pressure regulator preset to 58. 5 psi, fuel pump, 20 feet of 3/8" vapor guard fuel Hose, Filters, necessary hardware & bulkhead fitting to return fuel into the tank!. Specs: brand: holley sniper efi | cfm: 870 | emission code: 3 | finish: gold | flange style: 4150 | fuel pressure: 58. 5 psi | height: 3. 28 | injector size: 100 lb/hr @ 58. 5 psi | inlet/outlet size: 3/4-16 Female.
BrandSouthwest Speed #ad
ManufacturerHOLLEY PERFORMANCE PRODUCTS #ad
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Part NumberHOL-550-872K

2. Holley

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

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Holley #ad - Throttle body mounted ECU - no extra boxes to mount. 4wire vehicle connection battery + battery - switched ignition & RPM. Integrated fuel pressure regulator. Bolt on carburetor replacement designed to fit single & dual carb manifolds. Supports up to 650hp 4 injector version and 1250HP 8 Injector version.
BrandHolley #ad
ManufacturerSniper #ad
Height0 Inches
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Weight20.04 Pounds
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Part Number550-511K
Model550-511K

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 - The included fuel system places a 340lph fuel pump in the tank, simply cap the regulator on the sniper efi throttle body with the provided -6an cap, 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.

Introducing sniper efi master kits, with an easy to install In-Tank Retrofit Returnless Module, with a Returnless Retrofit Fuel Module. 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. 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.

The drop-in master kits make plumbing your Sniper EFI installation as hassle free as possible, and the job is finished. Note: this kit does not require a fuel return line, as the fuel pressure regulator is mounted in the tank. This contains combines the sniper efi self Learning Throttle Body, 20 ft of Earl's Vapor Guard Fuel Hose, and the required fittings.
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,BLACK,4BBL,FUEL INJECTION CONVERSION

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Southwest Speed #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 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.

Specs: cfm: 800 | finish: black | flange style: dual bolt pattern | fuel pressure: 58. 5 psi | height: 3. 28" injector Size: 100 lb. Hr @58. 5 psi. 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! Put an end to cold start issues, return bulkhead, hesitations, post and pre fuel filters, in-line fuel pump, and flooding.

Everything is included to completely plumb your fuel system including; 20 feet of 3/8" efi Hose, vapor lock, and all of the necessary fittings and hardware. 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.
BrandSouthwest Speed #ad
ManufacturerHOLLEY PERFORMANCE PRODUCTS #ad
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Part NumberHOL-550-511K-NEW

5. Holley

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Holley 550510K Sniper Efi Master Kit-Shiny

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Holley #ad - Throttle body mounted ECU - no extra boxes to. Sniper self-Tuning Shiny Throttle. 3. 5" touch. Fuel system kit for troubleshooting tips setting up your New Holley Sniper EFI System, please see this helpful video from Holley. Bolt on carburetor replacement designed to fit single & dual carb.
BrandHolley #ad
ManufacturerSniper #ad
Height9.5 Inches
Length25.5 Inches
Weight20.04 Pounds
Width14.5 Inches
Part Number550-510K
Model550-510K

6. Southwest Speed

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NEW HOLLEY SNIPER EFI STEALTH KIT 4150 MASTER KIT 4 BBL FUEL INJECTION CONVERSION,POLISHED,870 CFM,COMPATIBLE WITH 4150 FLANGE STYLE MANIFOLDS

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Southwest Speed #ad - Master kits include complete fuel system with an external fuel pressure regulator preset to 58. 5psi, filters, 20ft of 3/8" vapor guard fuel Hose, Fuel Pump, necessary hardware and bulkhead fitting to return fuel into the tank!. Injector size: 100 lb/hr @ 58.

5 psi | inlet/outlet size: 3/4-16 female o-ring an 8 | map sensor: 2bar | max horsepower rating: 650 naturally Aspirated | Model: 4150 EFI Conversion Throttle Body | Product Type: EFI | Transmission: 700R4/200R4 Ford C4/C6 TH350 The sniper stealth 4150 efi system from holley features 4, 100lb/hr fuel injectors capable of supporting up to 650 hp naturally aspirated or 600 hp on forced induction applications. Specs: brand: holley sniper efi | cfm: 870 | emission code: 3 | finish: polished | Flange Style: 4150 | Fuel Pressure: 58.

5 psi | height: 3. 28 |. The sniper stealth 4150 ecu is capable of fuel map self-learning and ignition timing control, improving idle stability, drivability, and wide-open throttle horsepower! Did we mention that the Stealth 4150 also includes transmission kick down provisions for GM TH350/400, 200R4/700R4 and Ford C4/C6 applications. Brand new holley sniper efi stealth 4150 master kit, polished, 870 cfm, 4 bbL Fuel Injection System, Fits 4150 Flange Style Manifolds Holley Part #550-870K.
BrandSouthwest Speed #ad
ManufacturerHOLLEY PERFORMANCE PRODUCTS #ad
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Part NumberHOL-550-870K

7. Southwest Speed

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

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Southwest Speed #ad - Part #550-510 Specs: cfm: 800 | coast guard approved: yes | 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. 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, hesitations, muscle cars, vapor lock, off road trucks or nearly any carbureted vehicle. Upgrade to sniper efI and get the tactical accuracy of EFI today! Brand new holley sniper efi self-tuning kit - shiny finish, 4 barrel Fuel Injection Conversion - Self Tuning Kit plus Handheld EFI Monitor.

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. Put an end to cold start issues, and flooding.
BrandSouthwest Speed #ad
ManufacturerHOLLEY PERFORMANCE PRODUCTS #ad
Height0 Inches
Length0 Inches
Weight0 Pounds
Width0 Inches
Part NumberHOL-550-510