Rebuilding the engine hopefully will not include a new pair of crankcases (but if it did they are available), but may well include many of the ancillary components like fasteners, dowel pins and seals.
Whatever your requirements, all the parts appertaining to this area of the engine are available, here at CMS.
More related components listed below:
This component may have other applications within the Ducati model range. Please ensure the part numbers are correct for your machine prior to placing your order.
Renew gaskets, O-ring seals 88641961A, dowel pins 71112191A and fasteners 7791A381A for the best results and perhaps order some gasket sealant?
Pro-workshop gasket sealant, 08C70K0234M to complete the job to professional standards.