I believe they should. A good way to find out is check on Ducati.com for part numbers between models. Or call a dealer and ask their parst department.
If you have a non-dark model S2R the top triple will not work with your handle bars. The non-dark S2R has the larger diameter Magura bar. So the top triple won't clamp your bar. If your S2R is a dark model it'll work with your bar.
If you have a non-dark model S2R the top triple will not work with your handle bars. The non-dark S2R has the larger diameter Magura bar. So the top triple won't clamp your bar. If your S2R is a dark model it'll work with your bar.