looking to add heads and cam to my 350/330hp blown crate motor / please help
 

hey guys i git a question on upgrades for motor . i am running a new 350/330hp crate chevy small block with a 141 weaned blower on it. producing about 450 horsepower. the engine and blower only have 3000 miles on it. i was thinking about putting a set of promax heads and a comp cam in to increase the hp and lift. am i safe to do this project or am i at max with the set up i currently have.

the engine has a 9;1 ratio and boost is about 4 pounds. the heads i want to put on are the promix performance 2181 from jegs part number 7232181. 190cc aluminum cylinder heads 2.02" 1.60 valves,64cc combustion chamber,190cc intake runner, straight plug the comp cam is a comp cam magnum 280h hydraulic flat tappet lifter and kit 480" duration 280 degrees 280 degree > rpm range 2000-6000.

any help would be greatly appreciated