You guys with aftermarket valve covers

there is a member here with some mickey thompson baffled small block valve covers which are powder coated black

http://www.forabodiesonly.com/mopar/showthread.php?t=332354&highlight=valve+covers

or this cat with weiand covers, you may be able to negotiate

http://www.forabodiesonly.com/mopar/showthread.php?t=340848&highlight=valve+covers