Here is a list of parts you can order from jameco to build the raptor.

http://kneale.us/raptor12/jamecoCart.csv

Also just kinda a PSA thing the IRF640s from tayda are failing more and more now so i can not recomend them anymore for that part.

A cheap sourse for the IRF640 in the use below.

http://avnetexpress.avnet.com/store/em/EMController?action=products&catalogId=500201&storeId=500201&N=0&langId=-1&slnk=e&term=IRF640NPBF&mfr=IRF&hrf=https%3A%2F%2Fwww.google.com%2F&cmp=KNC-Partstat_inventoryfeed