Running Boards for '78 3+3

Can anybody tell me where I can get a set of Diamond plate running boards for a '78 Chevy crew cab Dually?

J.C. Whitney, Pep Boys, Wal-Mart...or perhaps just look on the side of the highway.

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haven't heard from him again huh??..lol

must of found some running boards I wounder if he bought new or found some on the road