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#427121
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$25.74
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Return PolicyA good selection of 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 with less pressure than a smaller hole. Sizes are stamped on each nozzle. For example the number "31" indicates the nozzle hole size is .031".
Includes two nozzles and four nozzle gaskets.
The two styles offered are Tube Type (121-40, 121-42, and 121-45 also include 2 hollow nozzle screws) and Straight Type.
The "SIZE" drop down box allows you to choose what style and size you wish to purchase.
Tube Type
427121-25 Tube Type Nozzle0.025"
427121-28 Tube Type Nozzle 0.028"
427121-31 Tube Type Nozzle 0.031"
427121-35 Tube Type Nozzle 0.035"
427121-37 Tube Type Nozzle 0.037"
427121-40 Tube Type Nozzle 0.040" w/ hollow nozzle screw
427121-42 Tube Type Nozzle 0.042" w/ hollow nozzle screw
427121-45 Tube Type Nozzle 0.045" w/ hollow nozzle screw
tube Type Nozzle sizes .040” and larger include a hollow nozzle screw.
Straight Type
427121-125 Straight Type Nozzle .025"
427121-128 Straight Type Nozzle .028"
427121-131 Straight Type Nozzle .031"
427121-132 Straight Type Nozzle .032"
427121-135 Straight Type Nozzle .035"
427121-137 Straight Type Nozzle .037"
427121-140 Straight Type Nozzle .040"
427121-142 Straight Type Nozzle .042"
427121-145 Straight Type Nozzle .045"
| KEY SPECS | |
|---|---|
| MFG. Part # | 121-140 |
| Brand | Holley |
| GENERAL | |
| Sold in Quantity | Pair |
| GTIN Code | Select Size to see |
5
6 Reviews
Our product is applauded for its high quality and practicality. Many customers appreciate its ability to effectively fix engine troubles. It has a reputation as a reliable, accurate part that enhances the vehicle's performance, even in projects requiring more fuel. Several customers have mentioned its size accuracy, though a few wished they had opted for larger sizes. Its usability is praised with some customers even keeping parts despite ordering the wrong sizes. There's a common sentiment favoring our product over others for its reliable, fast delivery and good replacement qualities. Customers would clearly recommend our product for its superior features and performance compared to competitors.
5
6 reviews
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Worked well
5.0
5 years ago
Russ
Massachusetts
Verified
Fixed the engine stumble.
Would Recommend
Good replacement
5.0
8 years ago
ROOT
E.tx
Verified
Super fast parts delivered to your Door and accurate!
Would Recommend
Yes as needed
5.0
8 years ago
Rc
East texas
Verified
Fast and dependable parts source
Would Recommend
Worked great
5.0
8 years ago
Yerk
Rock Hill sc
Verified
Need a little more fuel so up sized to these and worked great. Also added high flow screw
Would Recommend
look great.
5.0
8 years ago
daver
mo.
Verified
I order the wrong size, but will keep them. next time I will order a larger size. thanks
Would Recommend
wish i went with a 31 or a 35
5.0
10 years ago
cam the maro
lincoln, NE
Verified
They would work great if they were what i needed for my build
Would Recommend
Showing 6 of 6 reviews
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