Wanted KTM shift shaft 560-34-002-000 (350 to 495)

[81495]

Looking for a shift shaft in mint cond.  I have been told its part number is 560-34-002-000.
And is the same shift shaft used on the early 350, 390, 420 and 495 KTM engines.  Needed for a 1981 495. As my splines are in need of help.