Carburetor Standard Main Jet - 122-73 UNBRANDED Fuel Line Kit For 70-72

Fuel Line Kit For 70-72 Pontiac Lemans GTO Hardtop 1/4 Inch Fuel Return Line w/o Emission Controls Steel

1954 Ford Skyliner

Easy Installation

1966-1966 Chevrolet Caprice 283 CID

Carburetor Standard Main Jet - 122-73 UNBRANDED Fuel Line Kit For 70-72Overview: 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 &