Ron - If your willing to drop that chunk of change for one of the Grace & Co air cleaners, what about this one from
Classic Parts 6 cylinder style air filter that looks very similar to the original pancake filter? It's smaller than an oil bath unit, but says it fits Rochester B and YF inlets.
They even list replacement paper elements under
86-602. I looked at the Grace & Co ad and it seems you have to order their filter elements (foam) separately from the housing, and are currently listed as "out-of-stock".
