SKU: 7256152810

Carburetor Standard Main Jet - 122-103

Sale price$14.75 Regular price$16.39
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  • USA
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Ships within 48 hours · Estimated delivery Jul 18 - Jul 23

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Description

Carburetor Standard Main Jet - 122-103Overview: 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 &

Overview:

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
  • .130" 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.

Application:

Year Make Model Submodel Engine Size
Universal

Specs:

Brand Holley
Emission Code 5
Jet Number 103
Jet Size 0.13
Product Type Standard Main Jet
Warning California Proposition 65
Warranty Limited 90 Day
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 7256152810

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Cuz
Lexington, US
★★★★★ 5
Works Great
Number of Items: 1
I have a 1988 mercury/mariner 75 hp motor. My motor would not go down. Purchased this solenoid to replace the old one. Fit perfect and fixed my problem
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 30, 2025
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Gary Miller
Draper, US
★★★★★ 5
Just the part I needed
Number of Items: 1
It was a perfect match to the one I needed to replace. And the shipping was lightning fast
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Reviewed in the United States on April 7, 2026
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steven clark
Omaha, US
★★★★★ 5
Works great
Number of Items: 1
Works great easy fix for my Merc. Trim motor
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Reviewed in the United States on September 3, 2025
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Lori
San Leandro, US
★★★★★ 5
Worked well
Number of Items: 1
Worked well for the money
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Reviewed in the United States on December 27, 2025
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Robert Zeigler
San Leandro, US
★★★★★ 4
Buy
Number of Items: 2
Great deal
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Reviewed in the United States on June 24, 2025

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