Edelbrock Victor Series Race Cylinder Heads or Trick Flow cylinder heads

Your building up a 318?
What is the goal?

@go-fish numerically speaking, a 3.15 & 1.60 valve equal 3.75 which in the stock 318 bore of 3.91, fit.
Hughes Engines

Though there use on a 318 is hard for me to find fitting.
And then there is the valves angle.
I personally go with the TF’s.