November 17, 20168 yr Author comment_506583 I have been researching this some more and there are no shortage of antenna gaskets/grommets on Ebay for various cars. They run $5 - $10 shipped on average. Once I get some measurements of some of them I will order a few and see what works best. Once I have some results I will post them for everyone to see. Link to comment https://www.classiczcars.com/forums/topic/56435-mounting-aftermarket-power-antenna-how-did-you-mount-yours/?&page=2#findComment-506583 Share on other sites More sharing options...
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