Carburetor Standard Main Jet - 122-100 1INVENTORY 7 L6 2003 - 2005

7 L6 2003 - 2005 Ford Excursion 363/6 V8 2001 - 2006 GMC Sierra 3500 403/6

Application: 1948-1951 Ford F1 Pickup

Lower housing casting designed for enhanced fuel flow

# of Passes Single Brand Frostbite Cooling Row Diameter 3/4" Core Dimension 17-1/4 x 26-1/4 Core Thickness 2

Mopar's popular Gen III Hemi engines are ideal for swapping into muscle cars since they are durable

Carburetor Standard Main Jet - 122-100 1INVENTORY 7 L6 2003 - 2005Overview: 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 &