Rally Wheels Restoration

Here are some photos of my project to restore these 14" Rally Wheels.
I used Year One Pro Tech Argent Wheel paint - 3 coats.

Any tips on getting the Center Caps to look like new? I tried using chrome polish, which helped but they still need work.

View attachment DSC_1670.jpg

View attachment DSC_1671.jpg

View attachment DSC_1672.jpg

View attachment DSC_1673.jpg