Those frames use standard bolt pattern I think so you may have more options if you buy a standard 12 spoke frame. Really if you want the high excursion you should stick with the OEM parts.
Well here's the thing Is I had a Skar zvx 15 and it looks just like a sundown frame. I measured the spider on my Skar and it look like 10 inches. I thought zv3 spiders were 10 inches also. I guess I'll just find another frame because now I want a sundown recone bad