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Holley 121-45 - Holley Accelerator Pump Discharge Nozzles


Holley 121-45 - Holley Accelerator Pump Discharge Nozzles
Holley 121-45 - Holley Accelerator Pump Discharge Nozzles
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A wide selection of discharge nozzle sizes is invaluable to properly tune an accelerator pump system. The hole size determines the rate of discharge. A larger hole will shoot fuel at a faster rate with less pressure than a smaller hole. Nozzle sizes are stamped on each shooter (for example, a 31 stamp indicates a hole size of .031'').


*2 gaskets included unless otherwise noted

Holley #510-121-45


Tube Nozzle
  • Hole size .045''
  • Hollow nozzle screw included
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  • $19.99
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