SKU: 92110958272

QUICK FUEL TECHNOLOGY 680CFM Carburetor - Hot Rod Series P/N - HR-680-VS

Sale price$314.98 Regular price$349.98
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Description

QUICK FUEL TECHNOLOGY 680CFM Carburetor - Hot Rod Series P/N - HR-680-VSOverview: The Hot Rod Series is a versatile performer designed for the most discerning street enthusiast. Featuring lightweight die cast aluminum components, the HR Series offer all the tunability you would expect from more expensive racing carburetors, including changeable bleeds, idle feed, power valve channel restrictions, and four corner idle. Offered in either vacuum or mechanical secondary models, all Hot Rod Series carburetors feature electric

Overview:

The Hot Rod Series is a versatile performer designed for the most discerning street enthusiast. Featuring lightweight die-cast aluminum components, the HR-Series offer all the tunability you would expect from more expensive racing carburetors, including changeable bleeds, idle feed, power valve channel restrictions, and four-corner idle. Offered in either vacuum or mechanical secondary models, all Hot Rod Series carburetors feature electric chokes and dual metering blocks for added performance. Now available in a 450 cfm model for applications with small displacement engines. All models feature a fully adjustable electric choke for easy starting Dual metering blocks w/4-corner idle for smooth and efficient idle quality Screw-in air bleeds and idle feed restrictions for quick and unsurpassed tuning capability Dual inlet fuel bowls with sight glass windows on both fuel bowls for safe and easy float adjustment Universal throttle lever with sealed throttle shafts for years of smooth operation Tuneable secondary opening rate Tumble polished for long lasting shine

Features:

     

    Application:

    Year Make Model Submodel Engine Size
    Universal

     

    Specs:

    Barrels 4
    Billet Color Diecast-No Billet
    Booster Down Leg
    Brand Quick Fuel
    Carburetor Use Street
    CFM 680
    Choke Electric
    Circuit 2
    Condition New
    Emission Code 3
    Finish Shiny
    Fuel Gasoline
    Fuel System Carbureted
    High Speed Air Bleed 28
    Idle Air Bleed Size 70
    Marine Use No
    Material Aluminum
    Model HR-Series
    Primary Main Jet 70
    Primary Power Valve 65
    Primary Pump Nozzle Size 31
    Product Type Carburetor
    Secondaries Vacuum
    Secondary Main Jet 74
    Supercharged Application No
    Throttle Bore 1-11/16 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: 92110958272

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    Uncle Sam
    Omaha, US
    ★★★★★ 5
    Denim feels thin but soft
    Size: 32W x 32L, Color: All My Days Selvedge
    The denim seems thinner than from years ago. 100% cotton feels soft. Fit me same as other stretchy 505 that are made with elastine. Waist size is fine. Haven't washed them yet. Yes, the price is high, but I like the 100% cotton and will likely buy more selvedge jeans.
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    Reviewed in the United States on January 1, 2026
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    Juan
    Bozeman, US
    ★★★★★ 5
    100 cotton
    Size: 33W x 32L, Color: Midnight Selvedge
    These are great, just keep in mind that 100% cotton is not the same as 99 cotton 1 elastane, so size up if you tend to be in between mesures at waist.
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    Reviewed in the United States on January 15, 2026
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    jackie
    Battle Creek, US
    ★★★★★ 4
    A little pricey for what you get.
    Size: 34W x 30L, Color: All My Days Selvedge
    I like them.
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    Reviewed in the United States on December 20, 2025
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    Ramalingam
    Alexandria, US
    ★★★★★ 5
    Great buy
    Size: 40W x 30L, Color: Midnight Selvedge
    Great buy
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    Reviewed in the United States on February 18, 2026
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    Lawrence H Scholler
    Port Orchard, US
    ★★★★★ 2
    Jeans size
    Size: 31W x 30L, Color: Midnight Selvedge
    Too small in waist.
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    Reviewed in the United States on November 17, 2025

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