Holley Performance 121-147 Accelerator Pump Discharge Nozzle
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- 3.50 (in)
- 1.25 (in)
- 5.00 (in)
Carburetor Accelerator Pump Nozzle Accelerator Pump Discharge Nozzle
Accelerator Pump Discharge Nozzle; 0.047 in. Hole Size; Straight Type; Incl. 2 Nozzles/4 Gaskets/Hollow Pump Screw;
- Nozzle Size: 0.047 in.
- Nozzle Type: Straight
- WARNING CA Proposition 65: No
- 0.047 in. Hole Size
- Straight Type
- Includes 2 Gaskets
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
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