Thank you lambolp400s for the comments and hope these work well for you!
I've since had a few other enquiries about sources for carbon fiber valve covers. So for anyone else that may be interested, I'll pass along the following info.
A company called "Kuntz and Company" is now offering CF valve covers for both Cleveland and Windor style heads.
From holding these in my hands, they didn't seem quite a light as the pair I sold, but that added weight comes from an integrated aluminum mounting flange.
The price for a pair with the internal oil spary-bars was $799.00. The price for covers for a Windsor style head w/o the spray-bars was $499.00. (I suspect the Cleveland head version w/o the spray-bars would be the same.) The finish was very nice!
Again, I've sold my pair, so just passing this along for everyone's info.
Dave
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