4d55 turbo where to get a good turbo or what to put on????

I have a 84 Dodge D50 with the 4D55 I rebuilt and replaced the 4D55 head with a 4D56 head about 5 months ago and my turbo is leaking oil internally and I am in need of a rebuild or to replace but I dont know much about these little guys so any help would be great I am just looking to keep it stock.

Depends which turbo you have. kinugawa sells bolt on td04 turbos and upgrades for the 4d56 (same bolt pattern)
But if you have the TC05 turbo, although i cant say for sure, i believe you can put a starion td05 turbo in its place (which has better bearings than a tc05)