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Holley 20-59

Holley Quick Change Vacuum Secondary Housing Single 4-bbl without Balance Tube

510-20-59

made in usa
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$19.96
$17.96
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Holley Quick Change Vacuum Secondary Housing Single 4-bbl without Balance Tube $17.96
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Quick Change Vacuum Secondary Housing
  • Single 4-bbl without Balance Tube
  • Holley 20-59 Details

    Quick Change Spring Kits


  • Cover-Diaphragm Housing

  • Specifications:

    Carburetor Quantity
    One
    Quantity
    Sold as a kit
    Quick-Change Housing Finish
    Black
    Quick-Change Housing Material
    Plastic
    Manufacturer's Part Number:
    20-59

    Tuning, quick and easy!
    The Holley Vacuum Secondary Quick Change Spring Kit installs in minutes on all Holley vacuum secondary carbs to let you change springs with the flip of a lever! If you've ever fine-tuned the vacuum secondary spring on a standard Holley without a quick change vacuum secondary housing, you know what a pain it can be to keep disassembling the housing!

    These kit, put together by JEGS Professionals, include a Quick Change Spring Kit & Holley Springs 510-20-13

    20-59 is rated 5.0 out of 5 by 2.
    Rated 5 out of 5 by from Saves a lot of time! Incredibly convenient once installed, a must have when tuning a vac secondary Holley 4bbl. My only problem was the lack of mention in the instructions regarding the cork gasket that goes between the vacuum pod and the carb body. It was missing on my carburetor (turned out to be the reason the secondaries weren't opening), so it took me a bit to figure out where it went. Kit includes screw and nut for choke cable, as well.
    Date published: 2016-06-17
    Rated 5 out of 5 by from works great! Added this to my holley 750. Easy to install and makes for quick spring tuning.
    Date published: 2015-09-20
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