Thinking about tackling this one. Acording to thier site this can be done with out pulling the rods. Does the cross member under the engine come out? I would have to finagle the pan around the diff. Here is the link for the bolts.

kateck bolts

 

It can be done with the engine in. I did mine that way, one at a time though.

I have some ARP 2000 bolts for sale if you want to go that route. I believe the diff will give you a problem, but the crossmember has to be removed.