Chrysler 8 1/4

that being said the quickest and easiest way if you are going to go for a mild performance build is to use an 8.25 rear end housing out of an a body a set of limited slip gears out of a Jeep Cherokee with the 8.25 best bet for 3.55 limited slip rear gears is a 4x4 and throw in rear disc brakes off a Jeep Grand Cherokee that is what is under the back of my DarT Sport