I haven't mocked one up in a car, but yes the ballstud threaded holes are 1/2 threads, supposed to be 9/16-12. And the fork pivots are all screwed up and don't locate the fork on the clutch bearing properly.

With hydraulic you should be ok? I talked to APT last week..only a couple weeks out on the bells. I dropped 100 10.5" castings at machine shop last Wednesday.

Dan