wgsvintage wrotehttps://www.ducatiomaha.com/search?q=78810011A
https://www.stein-dinse.biz
They have both the one you are after and the 996RS version (latter one is dead flat)
I recall the hole pattern is like 906, but not like 907 which had a slightly smaller hole pattern diameter. (I may have this one wrong, but check before buying)