Holley Standard Main Jet #64 (HO122-64) AF64-2004P 18-gauge aluminised steel case

18-gauge aluminised steel case

2012 OPEL ZAFIRA TOURER 2

2012 BMW 320D 2

Part Number: HO300-128

Their drop-in design means adding performance is simple

Holley Standard Main Jet #64 (HO122-64) AF64-2004P 18-gauge aluminised steel caseHO122 64 HOLLEY MAIN JETS, 2 PACK (64) 1 4 32" Thread, . 064" Hole Size (Pair) Part Number: HO122 64 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.