Carburetor Standard Main Jet - 122-49 fine-lines 5-inch mandrel bent 16-gauge 304

5-inch mandrel bent 16-gauge 304 stainless steel tubing maximizes exhaust flow and improves durability

NOTE FOR 1995 Models: This lines runs from the Driver Side Frame Block to the Rear

Intermediate Brake Line For 87-91 R3500 2WD Dually Rear Axle Steel

All the parts required for a fast

7L V8 1988 - 1991 GMC K2500 350/5

Carburetor Standard Main Jet - 122-49 fine-lines 5-inch mandrel bent 16-gauge 304Overview: 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 &