Crash bolt nut size
 

I ordered Scion factory camber bolts for my BRZ and was surprised to find they didn't include nuts. I believe the bolts are just smaller diameter than stock and will use a different nut -- can anyone confirm? If so, should I order them before taking it for an alignment or should my shop have them?

They re-use the stock nut. The threaded part is the same diameter as the stock bolt, but the unthreaded "shank" area is not as wide as the stock bolt.