Sorry, but there never was a true, complete, bolt-on, aftermarket turbo kit for the 5sfe. Anyone who has a turboed 5sfe really has a "kit" adapted from the 3sgte, or a full custom made setup. Here is a link that will give you all the details on the conversion.
http://www.toyotanation.com/forum/t182016.html
You may even want to join. I did.