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

Thermal Choke Control Line For 67 Ford Mustang Shelby 428 Dual Quad Carburetors Choke Tube Kit Steel

Steel - TIN9522OM

4L V8 1997 - 1999 Chevrolet C2500 305/5L V8 1999 - 2000 GMC Sierra 1500 1999 - 2000 GMC Sierra 2500 1999 - 2000 Chevrolet Silverado 1500 1999 - 2000 Chevrolet Silverado 2500 1998 - 1999 GMC C1500 1997 - 1998 Chevrolet K1500 262/4

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 &