what is eveerything need to install LSD?

I know i have to swap the entire differential case, but do i need to get other parts?

say when i open up the tranny are there gaskets or torqwue to yeild bolts i need to replace?

Thanks

 

need more details

what car , what trans, what lsd

why are u swapping cases?
for installing lsd on on lsd equipped B series transmission , you will need to re-shim it, but you can't tell till you have it all apart, and together