Lookin into buy new heads for my 350 i was lookin at the GMP vortec head here is the stats on these could somebody tell me what cam i should use wit these heads An where my Comp ratio would be.

Completely assembled, ready to bolt-on
225cc intake port
77cc exhaust port
65cc combustion chamber
Improved airflow
Flows 281 cfm @.600"
Uses Fel-Pro #1470 exhaust gasket, may require minor trimming.