Holley Tube Type Accelerator Pump Discharge Nozzles - .037" BR30011 18/18 spline Input Shaft Coupler

18/18 spline Input Shaft Coupler

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Holley Tube Type Accelerator Pump Discharge Nozzles - .037" BR30011 18/18 spline Input Shaft CouplerA 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". Various styles of nozzles are offered by Holley,