I don't have them but I'd pull the trigger on them if I was in your situation. Just get some header extensions and youre complete.
This site is the end all, be all site, dedicated to our trucks. The site owner wouldn't put just any product up for sale and it not be a quality product for your truck. He can even get some parts not on the site you might be looking for.
Check out his list of vendors:
http://forum.73-87chevytrucks.com/smforum/index.php?topic=10531.0Everybody understands doing homework before getting a part, but I wouldn't hesitate getting anything here knowing that its the exact fit and match for what you need.