Holley Tube Type Accelerator Pump Discharge Nozzles - .025" 4087BK 24 in W x 19

24 in W x 19 in H x 3 in D

If the two halves fit together without a gap

The flange is sealed at the manifold with an O-ring

This kit features tandem Delta 40 and Outlaw mufflers and 4

Fuel Forward Dirt Late Model

Holley Tube Type Accelerator Pump Discharge Nozzles - .025" 4087BK 24 in W x 19A 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,