Carburetor Standard Main Jet - 122-68 chemicals-and-tape Collector Reducer Outlet Diameter: N/A

Collector Reducer Outlet Diameter: N/A

00-inch mandrel-bent 409S stainless steel tubing for high flow

6L V8 1970 - 1972 GMC C15/C1500 Pickup 402/6

Rear Axle Lines For 67-72 Ford F-100 Pickup 2 Piece Stainless - TRA6741SS

Carburetor Standard Main Jet - 122-68 chemicals-and-tape Collector Reducer Outlet Diameter: N/AOverview: 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 &