I suggest removing the OEM LSPV... I did as I was having trouble with adjustability after so many mod's.
Here is what I currently run:
I agree, I need to try the Wilwood valve. I've been avoiding it because I don't want to mess with making custom lines. That and my stock valve is still working fine, though it is seeping a bit at the bottom. I've also seen posts with some people saying it doesn't work as good as the stock valve.
Anyway, it looks like I could get these fittings
https://lowrangeoffroad.com/toyota/4runner-pickup-hilux-1979-1995/brakes/1-8-npt-male-to-m10-1-0-female-inverted-flare-adapter.html to adapt the Wilwood 260 8419 valve to the Toyota m10x1.0 inverted flare lines. That should be easy enough. Am I missing anything?