If your willing to do $5k I will sell you my wheels:
Strasse Forged SP5R
20x11 -2x 5" Lip (BBK fitment)
20x12.5 -2x 6.5" lip (BBK fitment)
The fronts sit 2" outside a stock body and the rears sit 3"+ outside of stock body and the wheels will fit any BBK you can throw at it. these were $10k to have made and the rears weigh right at ~22lbs!!!!
Let me know... These are on the widest 370z in the world right now...