Where can I get high quality 6bolt japan engine ?

Hi im saving up building a 6bolt, I need help finding the site that selling high quality japan engine, thanks

here is a list for you Killa

http://www.roadraceengineering.com/4g63motorsearch.htm

I was going to go through the one at the bottom, Noyan USA, before I just found a short block from a guy in town for $150. They quoted me $1300 for a full long block and the shipping wasnt too bad either.