As per recommendations on here, I hand sanded with 150x, blew all the cracks out with a blow gun, and filled each and every crack, a few at a time, with clear epoxy (like the syringe type). Few days drying/curing time, go back and sand the cracks with 150x or 180x. Once all of them were done, spray primed it with hi-build spray can primer, lightly sanded again, spray painted it with Krylon. Came out exceptionally well.
A repro wheel is $300, sending yours off for restoring is at least that.
I did mine as I was working on my cab interior. Waiting on paint to dry, or body filler, or seam sealer to dry, I would do 3 or 4 of the cracks on my wheel, put it aside for a few days, and then do some more. I am really satisfied with how well it came out.
Mike
