SKU: 50706882710

QFX Series 4710-E85 1050CFM E85 - FX-4710-E85

Sale price$877.48 Regular price$974.98
Save 10%

Pay in installments of $243.75 with ShopPay, AfterPay and Klarna

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jul 31 - Aug 5

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

Description

QFX Series 4710-E85 1050CFM E85 - FX-4710-E85Overview: 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. 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 3
    Condition New
    Emission Code 4
    Finish Shiny
    Fuel E-85
    Fuel System Carbureted
    Fuel Type E85
    High Speed Air Bleed 28
    Idle Air Bleed Size 39
    Intermediate Air Bleed 63
    Marine Use No
    Material Aluminum
    Model FX Series
    Primary Main Jet 92
    Primary Power Valve N/A
    Primary Pump Nozzle Size 47
    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: 50706882710

    Discover Niche Categories That Outsell

    Top-Converting Item to Boost Your Average Order

    4.6 ★★★★★
    Based on 18 reviews
    Sort
    Highest Rating
    Newest First
    Oldest First
    Product Reviews
    P
    Verified Purchase
    Patrick Wright
    Lexington, US
    ★★★★★ 5
    Check if your Subaru has / needs a plastic tray
    Size: 72880-FL00A
    Works great for my 2015 Subaru Outback, not so much for my 2013 Impreza in terms of installation, missing plastic holder for 2013 Subaru Impreza, while 2015 outback does not require the plastic holder
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on April 28, 2026
    T
    Verified Purchase
    Taryn L. Law
    West Palm Beach, US
    ★★★★★ 5
    Perfect fit. 2024 Crosstrek.
    Size: 72880-FL00A
    Perfect fit 2024 crosstrek!
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on May 13, 2026
    R
    Verified Purchase
    Riggs
    Lake Worth, US
    ★★★★★ 5
    Fits my 2026 civic sport perfect!
    Size: AF151
    No issues, fitment is perfect. Great quality for an excellent price. Dealer wanted like $24 for a basic one. Nah I'm good I'll just go on Amazon and get it for $8. Took 30 seconds from start to finish can't get any easier.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on May 25, 2026
    A
    Verified Purchase
    Ant Farmer 1
    Louisville, US
    ★★★★★ 5
    Fits well and installs easily.
    Size: AF997
    This filter looked about the same as the OEM filter. It installed in about a minute. The quality appeared to be fine. It was protected in a cardboard box. It fit my 2014 Subaru Outback perfectly. I just installed it an hour ago so I don’t have any long term observations about longevity or effectiveness. I can’t see any reason why it would not work as well as the original, it seemed identical.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on May 29, 2026
    N
    Verified Purchase
    Nicholas K
    Birmingham, US
    ★★★★★ 5
    Great filter
    Size: AF259
    This fit my Mazda CX-5 perfectly. I'm happy with the seal and quality. Great price. I will certainly reorder for my next replacement.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on May 19, 2026

    recommand products