need help with brake booster swap

[thisfirstlove]

im getting the BB/MC setup from a grand, which one do i need? what year? im gonna get one from a cherokee same year as me so i can swap the rods...anything else i need from the junk yard? also im doing the 8.8 swap anything useful at the yard i could grab?

its going on a 94' cherokee sport

[Clean Racing]

I am not sure if the grand is what you need but here is the write up done by MJR....

//www.4x4wire.com/jeep/tech/brakes/xj_wjbrakes03/booster/

I have installed the 95 dual diaphram on my 90 and so far so good... I hope this helps...

Scott.