Try grabbing a 12 bolt rear from a 66-72 A body......they are close to a bolt in deal...All ya gotta do is swap out the control arms...UMIPerfoprmance has the 12 bolt swap kit..here this should also help ya in your search..http://www.maliburacing.com/faq.html#stock_rearend1980Halfbreed said:Needing some info. I'm on my 4th rearend because its the weakest link and now its time to get serious but not broke. Besides another g-body because 8.5 g-bodys are difficult to find what other chevy 8.5 is close to a bolt in. I've heard that A body chevies are close but need tweaking for the upper control arms. I have a 9 inch from a versailles but finding a competent welder is scarce in my neck of the woods.