No wait time, in stock no core needed. Every differential sold will have a matched invoice w/serial numbers •12 Friction Surface LSD Upgrade Bead Blast & paint •New Pinion Bearing Set •Proper shimming adjustments •New seals Fits 08-15 X Fits 09-15 Ra Fits Evo 8/9 Oem Bracket and according bolts are included.*needed for install on evo x*