If 3mm is confirmed to be ok. I plan on getting these:
http://www.ebay.com/itm/3mm-5x4-5-H...00&vxp=mtr&hash=item5892782d63#ht_2573wt_1396
I know they say there for a mustang but the hub bore is slightly larger than the NSX, which is ok. The nsx hub bore is 70.1, these are 70.5. They have the correct lug pattern too.
http://www.ebay.com/itm/3mm-5x4-5-H...00&vxp=mtr&hash=item5892782d63#ht_2573wt_1396
I know they say there for a mustang but the hub bore is slightly larger than the NSX, which is ok. The nsx hub bore is 70.1, these are 70.5. They have the correct lug pattern too.