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2018-2020 Ford F-150 307 CID
1957-1959 GMC PM152
Spring Bolt Kit Included: No
Part Number: 15391
Applications: 1966-1967 Dodge Charger
Carburetor Standard Main Jet - 122-91 apr 2018-2020 Ford F-150 307 CIDOverview: 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 &
