I've been painting a number of the interior parts with Rustoleum Satin Black. Here are a couple of them (the roll bar bottom mounts) baking in the oven. About 2 hours at 170 to 200 F bakes the finish to a nice, hard coating.

Mold re-primed and drying in the sun.

I painted this roll bar support a while back. It had a sag on one side, so I wet sanded that out and repainted it. Afterwards it had a sag on both sides. :-( Sigh. Another round of wet sanding (both sides this time) and a third coat of paint turned out pretty well. A tiny bit of orange peel, but good enough.

After sanding the primer with 2000 grit sandpaper (a much finer finish than the 600 grit I had used previously), I started coating with multiple coats of paste wax. This paste wax was free (thanks, Dad!), but I wish it didn't have such a strong floral scent. Will use it up, then buy some non-smelly wax next time.