Carburetor Standard Main Jet - 122-101 carburetor-parts 2 1/4" Height Cast Aluminum

2 1/4" Height Cast Aluminum Spacer

7L V8 1977 - 1988 Chevrolet Caprice 305/5L V8 1976 - 1987 Chevrolet El Camino 305/5L V8 1976 - 1987 Chevrolet Camaro 305/5L V8 1975 - 1986 Chevrolet K5 Blazer 350/5

2019 - 2020 Ram 4000

10 AMP maximum amp draw

6L V8 1976 - 1978 Dodge W200 400/6

Carburetor Standard Main Jet - 122-101 carburetor-parts 2 1/4" Height Cast AluminumOverview: 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 &