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Best Fuel Metering Parts - Buying Guide

Last Updated: 08/16/2019

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  #1

Holley 122-87 Carburetor Standard Main Jet - Pack of 2

Model: 122-87   |    Mpn: 12287   |    Ean: 0090127021927   |    PartNumber: 12287   |   Asin: B00029J90Q

This standard main jet is manufactured to high tolerances for consistency and is designed to fine-tune the carburetor for street or race applications. The hole size measures 0.1015'' and is threaded for easy installation and removal. It is a replacement jet and comes with 1/4-32 unified fine thread.

Features

  • Designed to fine-tune the carburetor for street or race applications
  • Threaded for easy installation and removal
  • 0.1015'' hole size
  • Comes with 1/4-32 unified fine thread
  • Comes in a pair
  • See more on Amazon...

Brand: Holley   |   Manufacturer: Holley

Item Dimensions: 0.5 x 3.5 x 5 inches (1.3 x 8.9 x 12.7 cm)   |   Package Dimensions: 0.3 x 3.6 x 5 inches (0.8 x 9.1 x 12.7 cm)

Amazon Price: $12.63 | as of 08/16/2019(7:52pm pst)
Availibility: Usually ships in 1-2 business days
List Price: $12.63

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  #2

Holley 122-56 .055" Carburetor Standard Main Jet - Pack of 2

Model: 122-56   |    Mpn: 12256   |    Ean: 0090127021422   |    PartNumber: 12256   |   Asin: B00029J78U

This standard main jet is manufactured to high tolerances for consistency and is designed to fine-tune the carburetor for street or race applications. The hole size measures 0.055'' and is threaded for easy installation and removal. It is a replacement jet and comes with 1/4-32 unified fine thread.

Features

  • Designed to fine-tune the carburetor for street or race applications
  • Threaded for easy installation and removal
  • 0.055'' hole size
  • Comes with 1/4-32 unified fine thread
  • Comes in a pair
  • See more on Amazon...

Brand: Holley   |   Manufacturer: Holley

Item Dimensions: 0.5 x 3.5 x 5 inches (1.3 x 8.9 x 12.7 cm)   |   Package Dimensions: 0.5 x 2.9 x 5 inches (1.3 x 7.4 x 12.7 cm)

Amazon Price: $15.62 | as of 08/16/2019(7:52pm pst)
Availibility: Usually ships in 1-2 business days
List Price: $15.62

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  #3

Holley 122-93 .105" Carburetor Standard Main Jet - Pack of 2

Model: 122-93   |    Mpn: 12293   |    Ean: 0090127021989   |    PartNumber: 12293   |   Asin: B00029JALO

This standard main jet is manufactured to high tolerances for consistency and is designed to fine-tune the carburetor for street or race applications. The hole size measures 0.1125'' and is threaded for easy installation and removal. It is a replacement jet and comes with 1/4-32 unified fine thread.

Features

  • Designed to fine-tune the carburetor for street or race applications
  • Threaded for easy installation and removal
  • 0.1125'' hole size
  • Comes with 1/4-32 unified fine thread
  • Comes in a pair
  • See more on Amazon...

Brand: Holley   |   Manufacturer: Holley

Item Dimensions: 0.5 x 3.5 x 5 inches (1.3 x 8.9 x 12.7 cm)   |   Package Dimensions: 0.6 x 3.5 x 5 inches (1.5 x 8.9 x 12.7 cm)

Amazon Price: $12.64 | as of 08/16/2019(7:52pm pst)
Availibility: Usually ships in 24 hours
List Price: $13.32

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  #4

Holley 126-24-10 24 Jet Replaceable Air Bleeds - Pack of 10

Model: HOL 126-24-10   |    Mpn: HOL 126-24-10   |    Ean: 0090127422427   |    PartNumber: HOL 126-24-10   |   Asin: B00062ZEU8

The Holley replaceable air bleed will fit all Holley 4150 and 4500 HP carburetors with screw-in air bleeds.

Features

Brand: Holley   |   Manufacturer: Holley

Item Dimensions: 0.75 x 3.5 x 5 inches (1.9 x 8.9 x 12.7 cm)   |   Package Dimensions: 0.6 x 3.7 x 5.1 inches (1.5 x 9.4 x 13.0 cm)

First Available: 2006-11-29

Amazon Price: $15.64 | as of 08/16/2019(7:52pm pst)
Availibility: Usually ships in 24 hours
List Price: $17.38

Warranty: 90 Days

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  #5

Holley 126-39-10 39 Jet Replaceable Air Bleeds - Pack of 10

Model: HOL 126-39-10   |    Mpn: HOL 126-39-10   |    Ean: 0090127422571   |    PartNumber: HOL 126-39-10   |   Asin: B00062ZEMG

The Holley replaceable air bleed will fit all Holley 4150 and 4500 HP carburetors with screw-in air bleeds.

Features

Brand: Holley   |   Manufacturer: Holley

Item Dimensions: 0.75 x 3.5 x 5 inches (1.9 x 8.9 x 12.7 cm)   |   Package Dimensions: 0.4 x 4.8 x 5 inches (1.0 x 12.2 x 12.7 cm)

First Available: 2006-11-29

Amazon Price: $15.64 | as of 08/16/2019(7:52pm pst)
Availibility: Usually ships in 24 hours
List Price: $14.32

Warranty: 90 Days

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  #6

Holley 122-150 Alcohol Jet - Package of 2

Model: 122-150   |    Mpn: 122150   |    Ean: 0090127332993   |    PartNumber: 122150   |   Asin: B00062YU6W

Holley alcohol jets are specially designed to work only with the following model 4150 HP carburetors: 0-80542, 0-80535, and 0-80498.

Features

Brand: Holley   |   Manufacturer: Holley

Package Dimensions: 0.38 x 3.5 x 5 inches (1.0 x 8.9 x 12.7 cm)

First Available: 2006-11-29

Amazon Price: $13.43 | as of 08/16/2019(7:52pm pst)
Availibility: Usually ships in 24 hours
List Price: $13.37

Warranty: 90 Days

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  #7

Holley 122-140 Alcohol Jet - Package of 2

Model: 122-140   |    Mpn: 122140   |    Ean: 0090127332948   |    PartNumber: 122140   |   Asin: B00062YU3A

Holley alcohol jets are specially designed to work only with the following model 4150 HP carburetors: 0-80542, 0-80535, and 0-80498.

Features

Brand: Holley   |   Manufacturer: Holley

Item Dimensions: 0.38 x 3.5 x 5 inches (1.0 x 8.9 x 12.7 cm)   |   Package Dimensions: 0.6 x 3.7 x 5.1 inches (1.5 x 9.4 x 13.0 cm)

First Available: 2006-11-29

Amazon Price: $12.03 | as of 08/16/2019(7:52pm pst)
Availibility: Usually ships in 1-2 business days
List Price: $13.37

Warranty: 90 Days

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  #8

Holley 34-27 Quick Change Jet Kit

Model: HOL 34-27   |    Mpn: HOL 34-27   |    Ean: 0090127109588   |    PartNumber: HOL 34-27   |   Asin: B00062YT7C

The Holley secondary quick change jet kit is designed for single pump model 4150 carburetor with center hung bowl. It allows jet changes without removing the fuel bowl.

Features

  • Standard finish for durability
  • Kit includes fuel bowl, gaskets and plugs
  • 90-day limited warranty
  • See more on Amazon...

Brand: Holley   |   Manufacturer: Holley

Item Dimensions: 2.88 x 7.25 x 9.94 inches (7.3 x 18.4 x 25.2 cm)   |   Package Dimensions: 3.1 x 7.6 x 10.4 inches (7.9 x 19.3 x 26.4 cm)

First Available: 2006-11-29

Amazon Price: $56.15 | as of 08/16/2019(7:52pm pst)
Availibility: Usually ships in 3-4 business days
List Price: $57.60

Warranty: 90 Days

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