This will help answer some of the questions above, including pictures.
http://www.stingrayforums.com/forum/stingray-corvette-news/6171-all-z06-s-have-3-piece-spoilers.html
Unless we can determine whether that car has c-c brakes, we do not know whether it is a stage 2 or a Z07, for the Z07 comes from the factory with the stage 2 end plates mounted (the large end plates and the clear center wicker bill bridge in the trunk -- easily switchable with bolts in a couple of minutes).
http://www.stingrayforums.com/forum/stingray-corvette-news/6171-all-z06-s-have-3-piece-spoilers.html
Unless we can determine whether that car has c-c brakes, we do not know whether it is a stage 2 or a Z07, for the Z07 comes from the factory with the stage 2 end plates mounted (the large end plates and the clear center wicker bill bridge in the trunk -- easily switchable with bolts in a couple of minutes).