It should have 19's in it then... it sounds quite complete. It's a perfect setup for an agressively driven street car (IMHO).
Again, check for rust inside the tubes. With everything off the car the t-bars should be in a position where they slide right out. Bring a small flashlight with you when you pick it up. Pull the bars and inspect them but don't make it a deal breaker... I'm sure Karl will give you a great deal on his
Look down the tubes and see if they're rusty. Some would be expected but chunks etc. would be a bad thing.
When checking the t-bars make sure they're not worn, chipped or rusty. "Small" imperfections can be touched up but major gouges just aren't worth it.
Here's a pic of some "real" damage I found on my 911. I'm lucky it didn't snap in two.