Holley Tube Type Accelerator Pump Discharge Nozzles - .037" RS003C0409 Pull down adjustment

Pull down adjustment

piston ring sets include choice of plasma moly or phosphate coated cast iron top rings

FOX EVO Shocks

Torque Ball Housing

Hub/Wheel Bearings

Holley Tube Type Accelerator Pump Discharge Nozzles - .037" RS003C0409 Pull down adjustmentA 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,