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Holley Performance Parts
Holley 121-31
Holley 121-31 Tube Nozzle - .031 (2) 500x500
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Holley 121-31
Holley 121-31 Accelerator pump discharge nozzle.
For Holley 4150, 4160, and 4500 model carburetors.
Retail Price: $23.86
Our Price: $21.47
UPC 090127020982
Free Shipping and Handling for orders over $99!
(US only. Excluding any oversize charges.)
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Performance Parts is a Holley authorized performance retailer
Product Info Related Items
Holley 121-31 Accelerator pump discharge nozzle.
For Holley 4150, 4160, and 4500 model carburetors.

Keeping an assortment of pump nozzles in different sizes on hand is necessary for the proper tuning of your accelerator pump system. The nozzle size determines the fuel discharge rate. A larger hole will shoot fuel at a faster rate but with less pressure than a smaller hole. Sizes are stamped on each nozzle.


Tube type, .031" hole size.
Includes two gaskets.
Shipping Weight/Dimensions:
Weight:0.04 lbs
Height:1.00 in.
Length:5.00 in.
Width:3.50 in.
Shipping from warehouses in the U.S. and Canada!
Performance Parts has over 20 warehouses in the U.S. and Canada so you can get your parts duty free! Call for availability.
None listed.
- Last Updated: 2016-06-07 10:20:20 -
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