Carburetor Standard Main Jet - 122-78 master-cylinders-and-parts 1955 GMC 150-22

1955 GMC 150-22

4 Each Of Jet Sizes 132-200

Intermediate Brake Line For 67-70 C10 67-70 C1500 2WD Long Bed Coil Springs Rear Steel - TIN6702OM

Camaro/Nova Brake Lines For 69 Camaro/Nova Disc Prop-Dist Stainless

Part Number: 842515

Carburetor Standard Main Jet - 122-78 master-cylinders-and-parts 1955 GMC 150-22Overview: 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 &