SKU: 99743206360

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

Sale price$787.48 Regular price$874.98
Save 10%

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jul 13 - Jul 18

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

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: 99743206360

    Discover Niche Categories That Outsell

    Top-Converting Item to Boost Your Average Order

    4.1 ★★★★★
    Based on 2348 reviews
    Sort
    Highest Rating
    Newest First
    Oldest First
    Product Reviews
    C
    Verified Purchase
    CoCo
    Houston, US
    ★★★★★ 5
    Quick & Informative Read
    Format: Paperback
    I only called it a “quick read” because when I get warped in a book, I lose track of time. This is one of those books. Quite an easy read. Recently Purchased the other books that were recommended with this one.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on November 21, 2024
    P
    Verified Purchase
    PastorE
    Whiting, US
    ★★★★★ 5
    A great read
    Format: Paperback
    A must read
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on September 19, 2025
    D
    Verified Purchase
    Dontashia Brooks
    Battle Creek, US
    ★★★★★ 5
    Life altering
    Format: Paperback
    I really read this book because it was assigned to me in my co-African-American religion class at Merritt College in Oakland, California. In 2018. This book actually inspired me to change my diet which altered my life forever. I’m really glad that I read i. This is a must read
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on February 15, 2025
    L
    Verified Purchase
    LadyPreacher
    Omaha, US
    ★★★★★ 4
    This book is a game changer in that it takes ...
    Format: Paperback
    This book is a game changer in that it takes an in-depth look at the lingering and undeniable effects of slavery on the psyche of today's African Americans. It is thought provoking and thorough and a must read for those seeking to understand the why's of what's happening today in the lives of many African Americans and how it correlates to the savagery of slavery.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on October 27, 2014
    J
    Verified Purchase
    Joynpain95
    Cuba, US
    ★★★★★ 5
    Good read
    Format: Paperback
    I bought the book for a friend. He was very happy with the purchase.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on May 6, 2025

    recommand products