6'6", weighing in at 260 & a size 14 boot. I followed Bob Evans suggestions for modifications and had the footbox width increased.
Placed the order with Hunter Cobra and am very satisfied with their product. Great fit and a reasonable price. Hunter will provide you with a kit or a turnkey..
You may want to contact Randy at (352) 622-5659
http://www.hunterscobrakits.homestead.com/