Carburetor Standard Main Jet - 122-93 performance-exhaust-mufflers Designed for slip fit exhaust

Designed for slip fit exhaust

00 inch Bolt Size 3/8-16 x 3/4 Emission Code 4 Engine Ford Big Block Header Finish Black Paint Header Style Long Tube Primary Tube Dia

Metal Choke Shaft

C Radiator Ports 12

Carburetor Standard Main Jet - 122-93 performance-exhaust-mufflers Designed for slip fit exhaustOverview: 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 &