hmotorsonline is probably the best.

 

i've heard alot of good stuff about hmotors. j-spec seems to be more for the money, but also about 10k more miles on the motor. it guess it's all up to you...i would suggest the junkyard first too. see what you can find. good luck

 

how is he gonna find a first gen b16a in a junkyard guys...come on. and the wiring is pretty straight forward, me and a buddy of mine converted my dx harness over with vtec wires run in less than a day, moving at a less then rabbit pace...good luck if you decide and if you have any questions at all, I been there so holla