As the price & availability of 3/4 ton rear brake shoes escalates rapidly each year and just the core charges hit $80 bucks, I am looking for disc brake conversion kits. There are plenty of places to get 6 lug kits for the 1/2 tons but I haven't been able to find 8 lug kits. I confess I've only been cruisin' the web looking a couple of times recently as I've gotten more serious about doing this. Any sources out there?