Carburetor Standard Main Jet - 122-86 Motorcycle-Exhaust 50" diameter and will fit

50" diameter and will fit over a 2

Application Dodge-Dart 69-72 Dodge-Dart-Sport-1973 Dodge-Demon-1972 Dodge-Swinger 69-72 Duster 70-72 Plymouth-Scamp 71-72 Valiant 69-72

76 mm smooth steel idler pulley with ball bearing

Applications: 1963-1964 Chevrolet Bel Air

Carburetor Standard Main Jet - 122-86 Motorcycle-Exhaust 50" diameter and will fitOverview: 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 &