Seeking a Cam recommendation for a 393 with 4V heads

Dear friends, 

This time, I build a 393.

Block is o2 over 

Diamond Flat Top Pistons 

Scat I beam rods 

Scat crank.

Heads are 4v open chamber litte ported , new brass valve guides 

Manley Race Master valves installed.

The engine is for the track and sometimes for the street.

Wich cam should I use ? Want to install a roller cam.

Thanks for your help in advance. 

 

 

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