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

510-20-59

made in usa

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Holley 20-59
$21.07
9 left in stock
Quick Change Vacuum Secondary Housing
  • Single 4-bbl without Balance Tube
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    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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