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The jets are contained in a plastic case that is designed to keep them separated and make them easily accessible
Expansion is guaranteed only to 1/4 inch over the original neck size
2x Brass Union for Return Lines A+B and Vapor Lines A+B (5/16 in)
where the accessories bolt directly to the water pump for a clean
Carburetor Standard Main Jet - 122-98 pre-bent-fuel-lines The jets are contained inOverview: 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 &
