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HR-Series Carburetor 780CFM VS

-4150

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CFM

PART# HR-780-VS

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$544.95   Suggested Retail
$440.96   Holleydays Price
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This model of carburetor has the square bore flange bolt pattern. It can replace Holley, Edelbrock, Carter AFB, and Autolite style carburetors with 5 3/16" x 5 5/8" bolt pattern. If you have a spreadbore style intake manifold, you will need an adapter to install this carburetor. Similar to the Mr. Gasket #1932.

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

Specs

Barrels4
Billet ColorDiecast-No Billet
BoosterDown Leg
BrandQuick Fuel
CFM780
ChokeElectric
Circuit2
Emission Code3
FinishShiny
FuelGasoline
Fuel SystemCarbureted
High Speed Air Bleed31
Idle Air Bleed Size70
MaterialAluminum
ModelHR-Series
Primary Main Jet72
Primary Power Valve65
Primary Pump Nozzle Size31
Product TypeCarburetor
SecondariesVacuum
Secondary Main Jet83
Supercharged ApplicationNo
Throttle Bore1-11/16 inch
WarrantyLimited 90 Day
Part NumberHR-780-VS

Service Parts

Emissions

This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing Use Only Vehicles.

The following vehicles are considered Uncontrolled (Non-Emissions Controlled) Vehicles:

  • 1965 and older U.S. manufactured California Certified vehicles
  • 1967 and older U.S. manufactured Federally Certified vehicles
  • 1967 and older Foreign manufactured vehicle

The following vehicles are considered Racing Use Only Vehicles:

  • Racing Use Only Vehicles are vehicles that are used exclusively for competition and that are not registered and that may never be used on the street

WARNING: It is against the law to install this part on an Emissions Controlled Vehicle

The following vehicles are considered Emissions Controlled Vehicles:

  • 1966 and newer U.S. manufactured California Certified vehicles
  • 1968 and newer U.S. manufactured Federally Certified vehicles
  • 1968 and newer Foreign manufactured vehicle

Tech Resources

This model of carburetor has the square bore flange bolt pattern. It can replace Holley, Edelbrock, Carter AFB, and Autolite style carburetors with 5 3/16" x 5 5/8" bolt pattern. If you have a spreadbore style intake manifold, you will need an adapter to install this carburetor. Similar to the Mr. Gasket #1932.

Warranty Information

Limited 90 Day: See Details
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      Some parts are not legal for use in California or other states with similar regulations.

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