What exactly were the parts in question?

First, to thoroughly dry parts after OS treatment, I heat them in the oven at 200F for about 30 minutes. This ensures that all traces of moisture have evaporated. Then after cooling, if the parts in question are chrome (and highly visible on the bike), I wipe on a thin layer of linseed oil. For non-chromed parts or parts that don't get seen easily, I wipe on a light coating of motor oil.