mine are chrome vinyl cutouts on black vinyl. they have held up very well over the years.
his wheels should have the same type of center cap, so the same method could be used.
2012-12-14 14.41.11 by chris2523, on Flickr
Got the mark out to test fit my new street wheels
View attachment 828472005View attachment 828472005
It is sexy. I wonder if he ever lowered the front. Just a smidgen high in the front in the pics.