Carburetor Standard Main Jet - 122-89 fenders-and-flares Full timing retard/control configurability per

Full timing retard/control configurability per stage based on RPM or time

Part Number: 817658

Exits Through the Factory Exhaust Bezels

the power valve would be "reading" the supercharger vacuum

Carburetor Standard Main Jet - 122-89 fenders-and-flares Full timing retard/control configurability perOverview: 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 &