Question on polishing aluminum 62 grille

[burbluv]

Hey everyone,
I am having a highly recommended shop repair and polish my 62 grille and bezels I picked up from Perro on the site. We had talked about chroming a the steel one I have but I am trying to stick to more original. The one thing he mentioned is since it needs to have the coating stripped before it is polished the shine will only last a couple of years but I asked him about sealing it in some way and he suggested clear coating it afterwards. It will give it back the protective coating and he said it could last another 20 plus years.
Any thoughts?
Thanks,
AJ
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