crank pulley help???

ok…took ps and ac off of a b16a…what type of crank pulley can i get that will have only a single pulley on it?..i can’t think! and where do you think i can find one…like, junkyard? store? ebay? hlep please!

CTR N1 pulley

can be found and bought here…

http://www.inlinefour.com/honn1raccran.html