http://importnut.net/300zxbrakeswap.htm
instructions n parts u need and part numbers.............if you have a s13, u need z32 ebrake cables to get ebrake work w/o spicing the wires.....
http://www.mynismo.com sell them cheap.
I would try to find the rebuilt calipers on ebay, or local auto storei bought my brake master on ebay, it turned out pretty goodz32 ebrake cable from mynismo.com <--good pricing!!custom ss brake line <- u can try ebay, but i think they r about the same, i think
http://www.projectnissan.com has them got a good price.
thatz pretty much it.good luck w/ ur conversion. u can pm me if u need more info. I just got mine done completely recently! It wasnt that bad.