I've been looking at these cams too for a while, I haven't heard one bad thing about them til I looked here, I know they are regrinds, people said they have picked up some good power without any problems. here's a few threads from dsmtuners.
http://www.dsmtuners.com/forums/show...light=dks+cams
http://www.dsmtuners.com/forums/show...light=dks+cams
http://www.dsmtuners.com/forums/show...&highlight=dks
check them out