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5 Primary Pump Nozzle Size 28 Product Type 4150 Model Carburetor Secondaries Mechanical Secondary Main Jet 80 Secondary Pump Nozzle Size 28 Supercharged Application No Throttle Bore 1
1977-1979 Oldsmobile Starfire
# of Passes Single Brand Frostbite Cooling Row Diameter 3/4" Core Dimension 17-1/4 X 21-1/2 Core Thickness 1
Fits: 1997-2005 Buick Century w/ 3
Carburetor Standard Main Jet - 122-48 transmission-cooler-lines 5 Primary Pump Nozzle SizeOverview: These metering orifices control fuel flow into the metering system. They are rated in flow capacity "cubic centimeters per minute" and are changeable for tuning purposes. The shape of the entry, exit, and size determines flow. All Holley Main jets are flow tested and then stamped with the correct number. Click on Catalog Product Page for complete listing of jets and sizes. Features: Fits All Holley Model 2010, 2300, 4010, 4011, 4150, 4160 &
