Standard Main Jet #56 HO122-56 Parachutes 45° NPT Swivel to Male

45° NPT Swivel to Male AN Flare Adapter 3/4" to -12ANBlack Finish

Rear - Fully Machined Solid Welding required

often imitated

they will specifically fit the B nuts of -12AN and -10AN fittings only with other sizes also sold separately

2mm (7/16") to -3AN Male

Standard Main Jet #56 HO122-56 Parachutes 45° NPT Swivel to MaleStandard Main Jet #561 4 32" Thread, . 055" Hole Size (Pair) HO122 56 122 56 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.