It depends.
It's walking a fine line between power and street ability. Obviously, the larger you go, the better it will flow. However, this will hurt the engine's idle and low end power.
That's why I suggest Portflow. They can take what you have done to the car (or are planning to do), and custom finish the head to your needs/ specifications. Most of the time, they can also install your new valvetrain and cams at the same time.
Pretty convenient.
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