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Holley

Carburetor Standard Main Jet

Standard Main Jet, 1/4-32 Thread, .128" Jet size

Part # 122-100 Be the first to write a review
Estimated shipping date: 12/14/2021
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Holley Days Price
$9.93
Suggested Retail
$11.03
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These metering orifices control fuel flow into the metering system. They are rated in flow capacity "cubic centimeters per minute" and are changeable for tuning purposes. The shape of the entry, exit, and size determines flow. All Holley Main jets are flow tested and then stamped with the correct number. Click on Catalog Product Page for complete listing of jets and sizes.

Features:

  • Fits All Holley Model 2010, 2300, 4010, 4011, 4150, 4160 & 4500
  • Sizes from 40-110
  • 1/4-32 Thread
  • .128" Jet size
  • Standard Main Jet
  • Jet Hole sizes provided for reference only . All Holley jets are sized by actual flow and may vary from sizes above.

About Holley

Holley Performance Products has been the undisputed leader in fuel systems for over 100 years. Holley's products include carburetors, fuel pumps, fuel injection, intake manifolds, and much more. From start to finish, Holley has the parts to make your dream a reality.

Brand Holley
Emission Code5
Jet Number100
Jet Size0.128"
Product TypeStandard Main Jet
WarrantyLimited 90 Day
UPC090127021040
Part Number122-100
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.

NOT FOR USE WITH CARBURETORS ORIGINALY DESIGNED FOR ALCOHOL
Limited 90 Day: See Details
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