Holley Standard Main Jet #150 (HO122-150) Fuel Pumps - Mechanical Part Number: HO526-4

Part Number: HO526-4

so not more gaskets

**10-inch design that bolts to original OEM flywheel pattern

With three colour options you can customise your intake to match the rest of your car

The Holley 12-840 fuel pressure regulator features 3/8" NPT in/out ports

Holley Standard Main Jet #150 (HO122-150) Fuel Pumps - Mechanical Part Number: HO526-4HO122 150 HOLLEY MAIN JET # . 150 5 16 32" Thread, . 150" Drill Size (Pair) Part Number: HO122 150 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.