Standard Main Jet #73 HO122-73 Blower Injector Hats 25% more flow at pressure

25% more flow at pressure than our A1000 Fuel Pump

Rough idle Rpm operating range 2200 - 5900 Duration advertised Inlet 291°

Fits GM LSx motors including 2010 and newer automatic Camaro with L99 engine and 1st through 4th generation Camaro's and Firebird's

suit Electric 2-5/8" gauge

Standard Main Jet #73 HO122-73 Blower Injector Hats 25% more flow at pressureStandard Main Jet #731 4 32" Thread, . 0790" Hole Size (Pair) HO122 73 122 73 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.