Holley Standard Main Jet #81 HO122-81 Product:1/4-32" Thread, .0920" Hole Size (Pair) Part Number: AF150-05BLK

Part Number: AF150-05BLK

Part Number: AR430-6801

The baffle plate is curved to minimize oil returning from the heads and improved oil pick entries to help prevent oil starvation

Part Number: AF64-4356

Holley Standard Main Jet #81 HO122-81 Product:1/4-32" Thread, .0920" Hole Size (Pair) Part Number: AF150-05BLKStandard Main Jet #811 4 32" Thread, . 0920" Hole Size (Pair) Brand: HOLLEY Part Number: HO122 81 Description: These metering orifices control fuel flow into the metering system. They are rated in flow capacity "cubic centimetres 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.