If I understand the question right you are looking for a height dimension. If not that, the answer is about 2" between the cab and the front bed panel. We discussed this at length a few months ago.
1953 Chevrolet 3600 Fried Green T'mater (Vern) In the Stovebolt Gallery Caution: Political Statement Man who runs in front of car gets tired, man who runs behind car gets exhausted.
