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HR-Series Carburetor 450CFM

-4150

PART# HR-450

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*** Use Part Number 20-93 for Ford Transmission Kickdown Kit

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
CFM450
ChokeElectric
Circuit2
Emission Code3
FinishShiny
FuelGasoline
Fuel SystemCarbureted
High Speed Air Bleed35
Idle Air Bleed Size70
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
Part NumberHR-450

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

*** Use Part Number 20-93 for Ford Transmission Kickdown Kit
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        *Free Shipping & Handling only offered to the contiguous US on orders over $100, excludes clearance parts and oversized packages.

        Some parts are not legal for use in California or other states with similar regulations.