Yes, just polish it so it won't chew up the rubber seal.
On the parts you listed - yeah, looks great. That's what I would do. I would not use the TransGo boost valve. The one in my wagon did not last long before the line rise died off again. They are built to much looser tolerances than the Sonnax units.
Be aware that the Sonnax boost valve is tricky to install without shaving those o-rings. If you're careful, you can smooth/polish the steps that lead into the boost valve bore without putting shavings all in the trans. Sand/file/wirebrush, whatever you want to use. Then, use vaseline to help avoid any damage to the seals as you install the valve.
"The unexamined life is not worth living." - Socrates
Last edited by sherlock9c1; 09-30-2011 at 12:50 AM.