Hard to find? Did you check the top of the page?

http://catalog.eautopartscatalog.com/mercedesshop/sophio/wizard.jsp?partner=mercedesshop&clientid=catalog.mercedesshop&baseurl=http://catalog.peachparts.com/&cookieid=1S60NXY6P1S60PL7Z3&year=1983&make=MB&model=300-CDT-001&category=All&part=Turbo+Mounting+Kit

You get everything you need.
If you shop, you might find it cheaper.