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660 CFM Center Squirter Carburetor

No Choke Mechanical Secondaries

PART# 0-4224

Suggested Retail: $817.95
Your Price:$735.95
Free Shipping on orders over $100*
  • Gold Dichromate finish for corrosion resistance and classic Holley looks
  • Calibrated for use with a 2x4 intake set-up
  • No choke for unobstructed airflow
  • 1:1 mechanical linkage for awesome tire turning performance
  • 50cc center discharge pump for the right amount of fuel in all four bores under initial acceleration
  • Single feed fuel inlet for easy installation
  • 100% wet-flow tested by Holley technicians to assure it arrives ready to run!
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The Holley 660 CFM Center Squirter carburetor is just as much at home on a competition vehicle as it is on a show vehicle parading around the fairgrounds. Designed for 2 x 4 in-line tunnel ram applications, the 0-4224 carburetor features a competition fuel curve to provide safe and reliable horsepower, no choke for improved airflow, 1 to 1 mechanical secondaries for tire turning power and a unique center accelerator pump discharge nozzle for the perfect amount of initial fuel.
Barrels4
BoosterStraight
BrandHolley
CFM660
ChokeNone
Emission Code3
FinishGold Dichromate
FuelGasoline
Fuel InletSingle
MaterialZinc
Model4160
Product TypeCarburetor
SecondariesMechanical
Supercharged ApplicationNo
Throttle Bore1.688 inch
Vacuum Ports1 timed (spark) port, 1 full, and 1 PCV port
121-325Accelerator Pump Discharge Nozzle
1049-949Air Cleaner Bail

This part is legal for use on Uncontrolled (Non-Emissions Controlled) Vehicles or Racing 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

Racing Vehicles are vehicles that are used exclusively for racing or other forms of competition that are not registered and that may never be used on the street.

*Free Shipping & Handling only offered to the continental US on orders over $100.