^^^What he said^^^They are only coated on the polished side, if you take them off and want to clean the machined side, then a lot use bug and tar remover due to usual asphalt debris inside and a scothbrite pad
Hands down the best product I have ever used to polish.
Metal polish for the exhaust tips if it's designed for Chrome.Glad I ended up reading this before using the aluminum polish I had bought. After I give them a good scrubbing, I'll use the paint polish instead. My rims aren't looking as shiny as they once did.
3M perfect it ultra fine (blue). Hit it with a 3" air buffer to rid the scratches, then hand wax with Mequiars tech 2.0 paste, wipe down with a microfiber.
They will turn out better than they looked when it left the factory.
Same process for your paint, just a larger buffer..
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I think the wheels are polished, not clear coated. Not sure though. If they had clear coat on them, they would have peeled and bubbled up years ago, just like my Ford Imploder did after only one year in service. They were replaced under warranty, only to happen again within one year. My Marauder wheels still look good after 14 years. If they are cleared then why Ford wouldn't use that process on every wheel they make makes no sense. Except $$ I suppose.