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Holley 121-142 PUMP DISCHARGE NOZZLE KIT

Original price was: $30.71.Current price is: $24.20.

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SKU: HOL121-142 Category:

Accelerator Pump Discharge Nozzle; 0.042 in. Hole Size; Straight Type; Incl. 2 Nozzles/4 Gaskets/Hollow Pump Screw;


A good selection of accelerator pump discharge nozzle sizes is indispensable to the proper tuning of the accelerator pump system.The nozzle hole size determines the rate of fuel discharge.A larger hole will shoot the fuel at a faster rate, and with less pressure, than a smaller hole.Sizes are stamped on each nozzle.For example, the number 31 indicates that the nozzle hole size is .031-inches.Various styles of nozzles are offered by Holley.

  • 0.042 in. Hole Size
  • Straight Type
  • Includes 2 Gaskets

Application Summary:

Year Make/Model
Accelerator Pump Discharge Nozzle 0.042 in. Hole Size Straight Type Includes 2 Gaskets