Small block valve covers

FWIW, Ansen makes some nice vintage covers very similar to the Cal Customs. They're even advertised as such, so maybe they own the rights to the CC design?
Mopar Performance 273, 318, 340, 360 Cal Custom Finned Valve Covers - Polished
Mopar Performance 273, 318, 340, 360 Cal Custom Finned Valve Covers - Black
Priced realistically; and honestly, better quality than some originals I've seen.