383 `68 Dart valve cover choices with ex.manifolds

I am working on a customer's `68 383 Dart GTS original car and he would prefer aftermarket valve covers for some bling, he had some Mopar Performance cast ones but they hit the exhaust manifolds and the covers bolts aren't even lined up yet. So we are wondering what other choices do we have. I took off the steel chrome type that look original to me and I like them but he doesn't. And no headers he says luckily . Thank you.
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Convince him the factory chrome covers look better and due his car justice. He does not need any more bling than what the factory put on these awesome BB cars as they are sweet just the way the way they came. With all the wire looms to keep from burning them. Hard to beat factory BB A-Body charm IMO!

Never mind leakage issues and more. going on 4 years and nary a drop of oil from the covers!!!