Diff question

Might be a dumb question so I have spare diff that’s a vlsd from a g37. I was thinking about putting it into my 370z which has an open diff but now I’m planning on getting a legit lsd like the 2 way tomei. The question is which version should I get? The one that replaces the vlsd or the open diff. I want to use the vlsd housing bc I’m still going to need my car to drive around