Holley Tube Type Accelerator Pump Discharge Nozzles - .025" YA0828MM04 Self-powered through the ECU rather

Self-powered through the ECU rather than requiring an outside power source

1960-1960 Chevrolet Truck

1-1/2 to 1-3/4 in Bar Mount

3/8 in Hose Barb Inlet 5/8 in Inverted Flare Female Outlet Mounting Bracket / Hardware

Holley Tube Type Accelerator Pump Discharge Nozzles - .025" YA0828MM04 Self-powered through the ECU ratherA 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,