Carburetor Standard Main Jet - 122-78 performance-mufflers Flowtech exhaust manifolds are the

Flowtech exhaust manifolds are the perfect combination of quality and value

Massive flow gains

3 Diesel C6 Steel

fits all normally aspirated models from 2005 through to 2008

Carburetor Standard Main Jet - 122-78 performance-mufflers Flowtech exhaust manifolds are theOverview: 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 &