Holley Tube Type Accelerator Pump Discharge Nozzles - .025" YA0828MM04 2" deck height and #2981

2" deck height and #2981 fits standard 351W blocks with a 9

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

Truly universal aluminum fuel cell featuring an Aeromotive high performance fuel pump and pre-pump filter built right into the fuel cell

Cylinder Head Specifications: Combustion chamber volume: 110cc

Jeep TJ 1997-2002

Holley Tube Type Accelerator Pump Discharge Nozzles - .025" YA0828MM04 2" deck height and #2981A 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,