What is a good combo for turning high rpm?

ou812 said
So you could put W2's on the 318 to keep HP down...I guess?

No valve to 318 bore issues with W-2's?

How much RPM is the current crank up to? What HP with that RPM?

So at minimum: cam, lifters, W-2 heads (to work with current pistons?), T/D rockers for quality and to fit W-2 geometry?