Mike, for what its worth, I would grab something like this which includes all you need. If you are doing a T5, grab the parts from an Astro with a T5 ('87 or 88). Beyond that you will have to search the forums here and on inliners.org for a specific list of parts to keep your stock bellhousing, etc.

The problems we face today can not be addressed at the same level of intelligence we were at when we created them - Albert Einstein Or with the same level of $ - Me