Ghostring,
Yes its very close to the roof, 1/4 inch in the center, due to a design flaw on my part that wasn't realized until the rack was completed. With 125 pounds placed directly on the center "x" the rack will deflect just enough to hit the roof. I'm thinking some spacers underneath the mounting feet might help, but its not likely to be an issue as I dont see myself loading that much weight directly on the center of the rack. Ultimately the rack will probably be sold once i figure out how to make a full length roof rack that could actually hold some weight.
Mike