Carburetor Standard Main Jet - 122-55 pics Universal down and forward turbo

Universal down and forward turbo headers for Small Block Ford engines (Down and Forward)

8L V6 1968 - 1976 Oldsmobile Cutlass 250/4

1-5/8 inch Product Type Headers Warning California Proposition 65

Bend it 1/2” to 3/4” in towards the transmission and make an adjustment at the steering column

1981-1986 GMC K1500 350 CID

Carburetor Standard Main Jet - 122-55 pics Universal down and forward turboOverview: 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 &