Re:
I've got some reba world cup which I swapped the lowers over to ones wearing v bosses for an sts build I am going to sell. They currently have a slight air leak, I've given them a lower leg and oil service when I swapped the lowers, can sort the air leak out easily enough, never needed to as it was a garage queen and held air for the infrequent rides it's done.
What sork of steerer length do you need?
I've got various rs spares, could potentially build you a set if I've got the parts.