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Holley 122-42

Standard Main Jet 42 Hole size .042"



Holley 122-42

Part Number: 510-122-42

Standard Main Jet 42
  • Hole size .042"
  • $7.52

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    Made In USA
    Holley 122-42 Standard Main Jet 42 Hole size .042" $7.52

    Holley 122-42 Details

    Main Jets


  • Carburetor Jet

  • Specifications:

    Jet Size
    0.042
    Carb Type
    Holley
    Jet Drill Size (in.)
    0.042
    Jet Material
    Brass
    Jet Type
    Gasoline
    Quantity
    Sold as a pair
    Thread Size (in.)
    1/4-32
    Manufacturer's Part Number:
    122-42

    Holley main jets allow you to fine tune your carburetor. These jets have 1/4"-32 UNF thread and they are offered in a wide variety of hole sizes to allow fine tuning of your specific application.

  • All main jets are sold 2 per package

    Note: Jet hole sizes provided below are for reference only. All Holley jets are sized by actual flow and may vary slightly from the sizes listed.

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