Holley Tube Type Accelerator Pump Discharge Nozzles - .028" GBDXL1 3 in Center Outlet

3 in Center Outlet

SF103 Foam w/ 2-Door Surge Tank

Higher Tension Belt Tensioner

6 AN Hose to 3/8 in NPT Male

Foot Pedal

Holley Tube Type Accelerator Pump Discharge Nozzles - .028" GBDXL1 3 in Center OutletA 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,