Product Summary

Universal Fit, 4-Barrel Carburetor Barrels, 780 CFM CFM

    Rebates Available

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    Key Specs

    Carburetor Barrels4-Barrel
    Fuel TypeGasoline
    Choke TypeElectric
    CFM Range700-799 CFM
    CFM780 CFM
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    Need To Know

    Quick and Easy Returns

    Return Policy

    Quick Fuel Technology HR-780-VS Details

    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.

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    Rebates

    Holley October Promo 10% Off Select Parts Sale

    Holley October Promo 10% Off Select Parts SaleHolleyOctoberPromo10%OffSelectPartsSale

    Holley's October Promo 10% Off Select Parts Sale, running from September 28, 2026, through November 1, 2026. For a limited time, customers can save up to 10% off on select Holley parts, making it the perfect opportunity to upgrade your ride with premium Holley branded parts including Holley, Brawler, Quick Fuel, Leg Wheels, Rev Wheels, Rocket Racing, Flowtech, Edge, Racequip, Apr and Dinan. Purchases must be made between September 28, 2026, through November 1, 2026. This limited-time offer applies to qualifying Holley branded parts purchased during the promotional period. Following the promotion, these parts will revert back to standard pricing.

    CARB Warning

    For race/ off road use or for use on pre-1966 vehicles.

    Emissions warning: this part only legal for sale or use in California for racing (competition) vehicles which may never be used, registered, or licensed for use upon a public highway, or if installed in vehicles model-year 1965 or older; motorcycles model-year 1977 or older; or off-highway recreational vehicles (such as off-road motorcycles and all-terrain vehicles) model-year 1996 and older. Any other use renders the vehicle tampered and not legal for use on California public highways (any public street or roadway, public dirt road, public park, or publicly maintained right of way open to the use of the public for vehicular travel). Violations subject to $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering. There are similar restrictions and penalties under federal law and the laws of all other states with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine.

    Quick Fuel Technology HR-780-VS Specifications

    KEY SPECS
    MFG. Part #HR-780-VS
    BrandQuick Fuel Technology
    Carburetor Barrels4-Barrel
    Fuel TypeGasoline
    Choke TypeElectric
    CFM Range700-799 CFM
    CFM780 CFM
    Carburetor Flange Type4-Barrel Square Bore
    FinishShiny
    Material TypeAluminum
    ColorNatural
    Secondary TypeVacuum
    Fuel Inlet TypeDual
    Gasket(s) IncludedYes
    New or RemanufacturedNew
    Throttle Linkage TypeUniversal
    Supercharged ApplicationNo
    GENERAL
    BoosterDown-leg
    Bolt Hole Pattern5.160" x 5.625"
    Carburetor Height3.25
    Primary Power Valve6.5 Hg
    Primary Jet Size72
    Secondary Jet Size83
    Primary Discharge Nozzle Size0.031
    GTIN Code849804000454
    Sold in QuantityEach

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