Standard Main Jet #66 HO122-66 Product:1/4-32" Thread, .066" Hole Size (Pair) 1 Right and 2 Cross

1 Right and 2 Cross Brackets

Arctic White Series Oil Pressure Gauge 1327 AU1327 2-1/16"

041" Thick

Hi Temp Black Finish 8006-6001BLK AF8006-6001BLK External Wastegate

AR200-2403

Standard Main Jet #66 HO122-66 Product:1/4-32" Thread, .066" Hole Size (Pair) 1 Right and 2 CrossStandard Main Jet #661 4 32" Thread, . 066" Hole Size (Pair) HO122 66 122 66 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.