What make/model/width 1997 rear end assembly?
Will you need new rear springs and hangers?
You'll need an adapted driveshaft?

It will be interesting to see if someone posts a way to use/convert your original closed-driveshaft transmission.
(please let us know what you get here)

Compare to:
- $350 plus delivery (maybe) for 3.55 R&P from [email protected]
- $450 delivered for 3.55 installation kit (parts you should also get new for you 1997 rear end assembly)