They are easy to rebuild yourself as long as it does not have major pits in the wearing surface of the cylinder. Get a brake cyl. hone from a Chinese tool store or you local parts store.
If you bench bleed it like JHR says & bleed it at the lines that connect to it after it is put on you should be good to go.

They say money can't buy happiness. It can buy old Chevy trucks though. Same thing.
1972 Chevy c10 Cheyenne Super
In the Gallery Forum