Originally Posted by djdalaney
Race anything generally just means it is not meant for street use. A race prepped head is most likely going to be built with high RPM in mind and wouldn't be the best choice for a street driven car. You often trade low end torque for high RPM power when machining/building heads. Without a specific example, that's pretty much all I can tell you.
How is the high rpm optic going to be accomplish ? What kind of machining / changes are going to be made ?
Thanks by the way