Carburetor Standard Main Jet - 122-53 fans-and-shrouds Flowtech exhaust manifolds are the

Flowtech exhaust manifolds are the perfect combination of quality and value

76 mm to 60 mm reducer

Adjustable metering block for 2-barrel HP models

Transmission Type FMX Transmission

Intermediate Brake Line For 77-79 Ford F-100 Long Bed 2WD 2 Piece Stainless

Carburetor Standard Main Jet - 122-53 fans-and-shrouds 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 &