Standard Main Jet #54 HO122-54 Quick Release AR240-3001

AR240-3001

510 Series Full Flow Tight Radius Push Lock 120° Hose End -6ANBlack Finish

The exceptional flow characteristics and 23° valve angle make this the perfect head for 350 to 434 cid engines in drag cars

PSEBP350CTC

90° Male AN Union

Standard Main Jet #54 HO122-54 Quick Release AR240-3001Standard Main Jet #541 4 32" Thread, . 053" Hole Size (Pair) HO122 54 122 54 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.