Yes and no, it depends on the part. The dimensions are the same for things such as valve covers but starting in 1986 the block was changed to use a roller cam, so the cam and lifters are different. What part are you looking at?
it says
Complete performer 5.0/5.8l heads- 50 state legal
direct replacement for 1982-95 5.0/5.8l with pedestal mount rockers. 60cc combustion chamber.