by hot side you mean the turbine or compressor?
If I get it these are the specs on it:
Compressor Specifications:
-T04R 67mm compressor wheel with a max flow rate of 75 lb/min
-0.70AR T04S compressor housing
-Good to 700 whp.
Turbine Specifications:
-P trim turbine wheel
-0.63 or 0.82 A/R. turbine housing available
-4 bolt standard turbine discharge
CHRA Specifications:
-360 degree thrust bearing standard
-Oil cooled&lubricated center section
and would def get the .82 a/r