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Quick Fuel

HR-Series Carburetor 450CFM

-4150

Part # HR-450
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Emissions

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

See Emissions 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. •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

About Quick Fuel

“Innovators in fuel systems” is more than just a by-line. Since 1998, Quick Fuel Technology has grown exponentially culminating in the benchmark by which performance carburetors are measured. At QFT, our product innovation is only matched by our customer service.

Barrels4
Billet ColorDiecast-No Billet
BoosterStraight Leg
Brand Quick Fuel
Carburetor UseStreet
CFM450
ChokeElectric
Circuit2
ConditionNew
Emission Code3
FinishShiny
FuelGasoline
Fuel SystemCarbureted
High Speed Air Bleed35
Idle Air Bleed Size70
Marine UseNo
MaterialAluminum
ModelHR-Series
Primary Main Jet55
Primary Power Valve65
Primary Pump Nozzle Size25
Product TypeCarburetor
SecondariesMechanical
Secondary Main Jet60
Supercharged ApplicationNo
Throttle Bore1-9/16 inch
WarrantyLimited 90 Day
UPC849804015441
Part NumberHR-450
3

This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) 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


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