"No, they are not the Racing Harts. I am still pissed about that. They are Konig Subzeros. But I like them a lot..."

What do you mean?? did you order the Racing Harts or something and they gave you the Konigs?? If you did something like that, I'd fight it!! Either way, they do look sweet, and I think just spraying the center caps should be fine, just find some strong paint.