The rear end can be lifted. It's easy enough to swap in gen II trailing arms and they are proven to be reliable and capable of handling the extra stress.

Also the KYB part numbers are most likely in the archives or part number repository thread.

Alternatively KYB support was stellar and willing to help you cross reference the shocks for a longer one.

Off Roader
98 Montero with the Winter Package
89 Montero minty clean and reserved for overlanding trips or Cars and Coffee events
96SR (3.15:1 xcase, 35's) gone to the rust gods
96SR Build Up Thread
Old web page
Old web page