500hp'ish
I just ordered a NV5600, external dimensions were too far off ot make a 4500 swap feasible.
Cost me over a hundred bucks to send my clutch to southbend for "retro fitting" to the new trans and a bit of upgrade while its there.
When i drained hte fluid it was ugly, huge chunks of ****... the input shaft also has a TON of play, as in its broken somewhere of the end bearing it rides in on the other side is wasted