Holley Standard Main Jet #59 HO122-59 Product:1/4-32" Thread, .058" Hole Size (Pair) 1300HP Setup

1300HP Setup

Range:8:1-18:1 AFR

oil pressure

A billet remote single filter head to mount a single oil filter (AF64-2075)

Holley Standard Main Jet #59 HO122-59 Product:1/4-32" Thread, .058" Hole Size (Pair) 1300HP SetupStandard Main Jet #591 4 32" Thread, . 058" Hole Size (Pair) Brand: HOLLEY Part Number: HO122 59 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.