Holley Standard Main Jet #64 (HO122-64) AF64-2004P Part Number: HO300-128

Part Number: HO300-128

D AF8803-225

2012 BMW 320D 2

Each filter is specifically designed to withstand the service intervals recommended by vehicle manufacturers

Their drop-in design means adding performance is simple

Holley Standard Main Jet #64 (HO122-64) AF64-2004P Part Number: HO300-128HO122 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.