Main Jet Extension - Holley (122-5000)

Sale Price$20.46
Description : An improved jet extension design that actually screws into the metering block. The main metering jet then threads into the end of the extension. The installation effectively moves the fuel entry point for the main jet out into the fuel bowl. In this location it cannot be uncovered by fuel, causing a lean condition, during periods of hard acceleration or braking. 2/Pkg.
Main Jet Extension
Requires the use of special "notched" float to achieve proper clearance and to operate properly. Notched float number 116-11 Or Kit with float and extensions 116-10.
Main Jet Extension
Requires the use of special "notched" float to achieve proper clearance and to operate properly. Notched float number 116-11 Or Kit with float and extensions 116-10.
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Product Details
Description
An improved jet extension design that actually screws into the metering block. The main metering jet then threads into the end of the extension. The installation effectively moves the fuel entry point for the main jet out into the fuel bowl. In this location it cannot be uncovered by fuel, causing a lean condition, during periods of hard acceleration or braking. 2/Pkg.
Main Jet Extension
Requires the use of special "notched" float to achieve proper clearance and to operate properly. Notched float number 116-11 Or Kit with float and extensions 116-10.
Main Jet Extension
Requires the use of special "notched" float to achieve proper clearance and to operate properly. Notched float number 116-11 Or Kit with float and extensions 116-10.
Features & Benefits
- Improved Design
- 2 Per Package
Part Number (MPN)
122-5000
Brand
SKU
122-5000
UPC / GTIN
090127336779 / 00090127336779
Condition
New
Extension Inside Diameter
0.136
Extension Length
0.710
Extension Material
Brass
Grade Type
Performance
PADb ID 3294120
California Proposition 65
PADb ID 3294145
5
PADb ID 3294148
Main Jet Extension
PADb ID 74442
Limited 90 Day
PADb ID 81813
Holley
UPC
00090127336779
| Year | Make | Model | Body & Trim | Engine & Transmission |
|---|---|---|---|---|
Vehicle #1
Year
Make
Model
Body & Trim
Engine & Transmission
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Operated by RevolutionParts Inc · Effective date: 11/2025 · Last updated: 4/2026... Check out our Shipping Policy for more details.
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