Ben,
Kevein is Kevin Matwichuk of Ultimatemotorwerks,
http://www.ultimatemotorwerks.com/ . Kevin is THE Porsche turbo guru on Rennlist and many other forums. Kevin is responsible for creating new variants of the venerable KKK turbo chargers with new castings and CNC millwork. The k27 "s" and k27 "HFS" variants are his. He is also responsible for the "zero clearance" process used on Craig's beast. He is truly accessible and will talk with you for hours on your turbo specific needs. He is one of the good guys.
JP