How much do these run for and where can i get them?

 

http://www.nismo.co.jp
then go to
parts directory
hehehe..
street and sport parts
^_^
enjoy..
or you could go here
http://www.nismo.co.jp/catalogue/parts.html
btw
the price is the one that is listed in tenth of thousand numbers or even hundred of thousands...this is yen..
=]

 

you might need to check offset...
you can get the silvia rims...they might have somewhat better offset...
have fun..