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.

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!

Installation Instructions (PDF)

Guides & Documents

Determining the Best Performance Carburetor For Your Application

CA Prop 65

Holley 0-4224 Specifications

KEY SPECS
MFG. Part #	0-4224
Brand	Holley
Carburetor Barrels	4-Barrel
Fuel Type	Gasoline
Choke Type	No Choke
CFM Range	600-699 CFM
CFM	660 CFM
Carburetor Flange Type	4-Barrel Square Bore
Finish	Dichromate
Material Type	Aluminum/Zinc
Color	Gold
Secondary Type	Mechanical
Fuel Inlet Type	Single
Supercharged Application	No

GENERAL
Model	4160
Booster	straight
Emission Code	3
Throttle Bore	1.688 inch
Vacuum Ports	1 timed (spark) port, 1 full, and 1 PCV port
Bolt Hole Pattern	5.160" x 5.625"
GTIN Code	090127000588
Sold in Quantity	Each

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