New 742 Case Anybody buy one of these?

Just Differentials sell a new Nodular Iron 742 Case has any one tried one yet? Let me know. Thanks Steve.
Just Differentials
Chrysler, CHY 8.75", '742' Casting, Nitro Nodular Iron Drop-Out Housing with Billet Adjusters
Product Code: NPDOC8.42
Cost 367.50 Free shipping.