If it helps you sleep at night. I would not super-tighten these screws, but hand tight will not break the cpu. The kit comes with screws. If a guy (or gal) wanted to, they could get some springs, cpu shim and some long 6-32 screws. But for all practical purposes hand tightened screws do it well.
The clip places the PolarFLO directly centered on the cpu.

I guess i can only post three pix at a time. Here's another pic or two.