Holley Standard Main Jet #63 HO122-63 Product:1/4-32" Thread, .062" Hole Size (Pair) Description: Aeroflow performance products has

Description: Aeroflow performance products has developed an OEM direct replacement timing cover especially for Ford Cleveland motors

Part Number: AF712-06

Part Number: AU1881

Part Number: AF200-03-3M

Holley Standard Main Jet #63 HO122-63 Product:1/4-32" Thread, .062" Hole Size (Pair) Description: Aeroflow performance products hasStandard Main Jet #631 4 32" Thread, . 062" Hole Size (Pair) Brand: HOLLEY Part Number: HO122 63 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.