EFI tank with Carbureted engine plumbing questions

I am about to change my gas tank over to a tanks inc EFI with in-tank fuel pump and sender. I plan to use the Holly Carburetor Bypass Regulator (12-887)

My plan, install new 3/8s stainless fuel line, run it through 100m filter and then through the regulator to 40m filter and then through to the carburetor. The existing 5/16s will be used for the return line. (see image)

The 3/8s and 5/16s fuel line will be run side by side – anyone done this? How did you run the lines? I found some S Clips to help tie the lines together. (see image) Anyone know if there are C Clips to hold two lines?

The 100m filter/regular will be in the engine bay attached to the inner passenger side fender.

Am I missing anything?

View attachment 1715661424

C clips.jpg

s Clips.jpg

fuel line 2.jpg