I was in the same situation when I got my car. I was all worried when I was having it done for the first time if it was updated or not. In the end, I ordered all the parts as if it was an order style from Pelican.
Go here for a list of what to buy:
Water Pump Information and Replacement
Also, if you can see the block off plate, then you know it has been updated.
Picture here:
I stole the picture from
http://forums.pelicanparts.com/porsche-924-944-968-technical-forum/379156-can-anyone-help-me-please.html