I have a brand-new, in box EGR valve for sale. I bought it thinking I'd keep all the emissions on the truck (old one was throwing codes) then decided to delete it. Never installed... never bolted up. I had it out of the box once.
http://www.ls1truck.com/upload/files/141/IMG_3579.JPG
http://www.ls1truck.com/upload/files/141/IMG_3580.JPG
http://www.ls1truck.com/upload/files/141/IMG_3578.JPG
Asking $85 shipped.