To be clear, any 2002+ NSX needs the D2S bulb which is an additional $15 (not $10, my mistake). This comes out to $100 total. $75 for the single beam kit, $10 shipping, and $15 for the D2S bulb.
The 2001 NSX or below needs the 9006 bulbs, which are priced at $85 as shown above. $75 for the kit...