QFX Series 4700 Carburetor 1050CFM 2-Circuit - FX-4700
SKU: 97268322762

QFX Series 4700 Carburetor 1050CFM 2-Circuit - FX-4700

Sale price$787.48 Regular price$874.98
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Ships within 48 hours · Estimated delivery Jul 7 - Jul 12

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Description

QFX Series 4700 Carburetor 1050CFM 2-Circuit - FX-4700Overview: Serious drag racing demand a serious drag racing carburetor, and the QFX Series stands as the flagship model in QFT's lineup. Raised air horns improve entry angle into the venturi while ensuring undisrupted flow over the air bleeds. Annular boosters with CNC machined billet aluminum inserts provide increased air flow, a stronger signal, and less turbulence. QFX carbs offer unparalleled fuel atomization with annular boosters specific for

Overview:

Serious drag racing demand a serious drag racing carburetor, and the QFX-Series stands as the flagship model in QFT's lineup. Raised air horns improve entry angle into the venturi while ensuring undisrupted flow over the air bleeds. Annular boosters with CNC-machined billet aluminum inserts provide increased air flow, a stronger signal, and less turbulence. QFX carbs offer unparalleled fuel atomization with annular boosters specific for either gas, methanol, or E85 fuels. Five-emulsion billet metering blocks and four-corner idle circuits offer flexible tunability that today's high-horsepower engines demand. To cover a broad range of applications, methanol- and E85-compatible models, as well as two- and three-circuit fuel systems, are available. Ready to run out of the box, the QFX-Series carburetor will help you get to the winner's circle.
Even a carburetor that performs great can still be an eyesore, but it doesn't have to be that way. Quick Fuel Technology's proprietary Black Diamond® coating offers excellent corrosion resistance as well as a durable finish that easily stands up to dirt and oil. In addition to great looks, the PTFE coating reduces fuel temperature by six percent for improved performance.

QFX aluminum main body w/raised venturi
Billet aluminum metering blocks with screw in restrictions
Aluminum fuel bowls with dual sight windows and fuel inlets
Nitrophyl® Floats (notched rear) and jet extensions
Viton .130" Needles and Seats
Billet Aluminum annular booster inserts
QuickLink™ adjustable secondary opening adjustment
Hand assembled and engine tested

Features:

     

    Application:

    Year Make Model Submodel Engine Size
    Universal

     

    Specs:

    Barrels 4
    Billet Color Red
    Booster Annular
    Brand Quick Fuel
    Carburetor Use Professional Race
    CFM 1050
    Choke None
    Circuit 2
    Condition New
    Emission Code 4
    Finish Shiny
    Fuel Gasoline
    Fuel System Carbureted
    High Speed Air Bleed 31
    Idle Air Bleed Size 63
    Marine Use No
    Material Aluminum
    Model FX Series
    Primary Main Jet 84
    Primary Power Valve 35
    Primary Pump Nozzle Size 35
    Product Type Carburetor
    Secondaries Mechanical
    Secondary Main Jet 92
    Supercharged Application No
    Throttle Bore 2.000 inch
    Warning California Proposition 65
    Warranty Limited 90 Day
    Shipping Notes
    • Free Standard Shipping on $100+ Orders to the USA.
    • Except Preorder products are shipped in 48 hours.
    • Delivery to the USA:
    1. 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
    SKU: 97268322762

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    Maddie
    Natrona Heights, US
    ★★★★★ 5
    Super cute landing space for keys
    Color: White 1 Pack, Size: 8" x 8" x 1.8", Color: White 1 Pack, Size: 8" x 8" x 1.8"
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    patricia
    Draper, US
    ★★★★★ 5
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    Using it in the coffee table for remote contrls and headphone. Keeps organized and looks good. Perfect size.
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    Reviewed in the United States on March 25, 2026
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    Kindle Customer
    Pawtucket, US
    ★★★★★ 5
    Very nice
    Color: White 1 Pack, Size: 8" x 8" x 1.8"
    Very nice! It organized stuff in my moms room to look more put together.
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    Omayra Cintron
    Cuba, US
    ★★★★★ 5
    Tray
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    Reviewed in the United States on February 8, 2026
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    John Georges
    Whiting, US
    ★★★★★ 4
    Nice product
    Color: Gray 1 Pack, Size: 8" x 8" x 1.8"
    Why did you pick this product vs others?: Works well and looks good. Not the highest quality but good for the money. 
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    Reviewed in the United States on July 9, 2025

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