Carburetor Standard Main Jet - 122-59 fog-lights This bolt-on Dual Out Rear

This bolt-on Dual Out Rear emissions-legal system features a 2

Applications:  1977-1979 Pontiac Firebird

2L V8 1970 - 1971 Plymouth Fury Custom Suburban 318/5

Applications: 1997-2005 Buick Park Avenue

hardware and detailed instructions for an easy at home installation

Carburetor Standard Main Jet - 122-59 fog-lights This bolt-on Dual Out RearOverview: 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 &