Holley 121-5 Accelerator Pump Discharge Nozzle Check Needle
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Description
Specifications
| Description_ASC | Holley Performance Emission Code 5: This part is legal for sale or use on Emissions Controlled Vehicles; Uncontrolled (Non-Emissions Controlled) Vehicles; and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations |
| Description_ASM | Replacement pump discharge needles for all Holley 4150; 4160; and 4500 series carburetors. |
| Description_DEF | Carburetor Accelerator Pump Nozzle |
| Description_DES | Accelerator Pump Discharge Nozzle Check Needle |
| Description_EXT | Accelerator Pump Discharge Nozzle Check Needle; Replacement; For Holley 4150/4160/4500 Series Carburetors; |
| Description_FAB | Includes 2 Gaskets |
| Description_FAB | Replacement Part |
| Description_INV | ACCELLERATOR DISCHG CHECK NEEDLE |
| Description_MKT | A 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-inches. Various styles of nozzles are offered by Holley. |
| Description_MKT | Replacement pump discharge needles for all Holley 4150, 4160, and 4500 series carburetors. |
| Description_SHO | CrbAclPmpNzz |
| height | 0.5 |
| length | 5.0 |
| LTL | N |
| weight | 0.02 |
| width | 3.5 |