Intake vs. exhaust valve stem seals

No new questions lately so how about this one.
The manuals specify that there are different valve seals for intake and exhaust on a 91 Integra. The only difference I could see between them was in
the color of the seal springs (white or black).
The Fel-Pro head gasket set came with what it claimed were premium Viton seals -- one bag of 16, all the same. Any problems there?
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