It was rebuilt by Aluminum Headband Rebuilders here in Portland. They did a fantastic job. Titanium springs installed.
Was going to go 20vt in my 4kq, but when life gives you 20v, you make boost
They media blasted the head
Cleaned it
Removed springs and valves
Ground valve seats
installed valves and titanium springs
High res photos here
https://www.flickr.com/photos/xnbsx/albums/72157682028371765
