Holley sight plugs are stock replacements/upgrades for Holley carburetors. The clear sight plug allows you to see the fuel level without having to remove the plug.
Manufacturer's Part Number:
Rated 5 out of 5 by BlueStreak from Problem Solved After several years the original sight glasses broke and after a replacement set failed within a few days these plugs were purchased and installed. After the sudden failures of the sight glasses these plugs give me some feeling of safety and don't have to worry about fuel spewing out all over the new engine.
Date published: 2014-11-02
Rated 5 out of 5 by shorinji65 from Great I bought a couple sets of see through and they keep breaking off, so, I bought the brass set and problem solved. The see through came with the Holley and they were the ones to break-not so now.
Date published: 2015-08-26
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