need help

dose any one know how to convert 4 stud hubs to 5 stud

with addapters, cost around 130

do you know where to get the the kit to do it and do i put disks on the back or keep the drums?

http://forum.performancevwmag.com/viewtopic.php?t=26599&sid=e6f1f3747c0c439c961e299b9ecddd6f