Help I.d. These center caps

[Mack B]

Evening gentlemen, I mostly keep to the 60-66 board but thought I'd get a better answer for this here.are these caps year specific or just 73-87? Also are they chrome or aluminum? I started polishing one with really good results but it had a few black specks, I didn't wanna get to aggressive with the rouge if it is chrome. Thanks for the help!

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[J Knight]

They are 77-87, 73-76 dont have the three bolt holes. You can scrub them with an sos pad or steel whool and they will look like this. Mine look like yours before I started.

[Mack B]

Thanks for the quick response! I love the way these wheels look painted black!
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['79squared]

Acetone and sos will make quick work of these.

[68Timber]

I've got a set that needs cleaning up, I didn't know they'd come back shiny so easy. What are they worth when they're cleaned up? I'm not selling them, just curious.

[special-K]

The flanges are painted. I use paint stripper to reveal the chrome. The bowtie centers are aluminum appliques. You can pick those out of there and replace with fresh new ones