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7L V8 1969 - 1974 GMC K35/K3500 Pickup 350/5
5L V8 1969 - 1974 Chevrolet C30 Pickup 350/5
The acceptable measurement range is known as a tolerance
Muffler Body Length: 22
Carburetor Standard Main Jet - 122-103 exterior-body-parts 7L V8 1969 - 1974Overview: 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 &
