Am I allowed to guess?

675-680 HP
590-595 TQ

Cam has very slow ramps due to excessively high rocker ratio (for bracket motor) Ended up getting a deal on these rockers from a customer who wanted to use them on a high milage street W2 motor for a good price....

Off shelf pistons, 1/16" 3/16" rings.....

It's nothing really special, just has good set of heads on it.

Actual Compression is 13.1:1 BTW.