For all of those that pre-ordered the center difs for the SC10 4x4, the remainder of the materials showed up yesterday! i should be able to ship out thu/fri of next week. we will make an install video and the kit will come with a drawing to aid in the install although it is pretty straight forward. However there are a few items that you will need to have before install:
Blue loctite
thrust bearing grease (AE black works great)
ball dif grease ( i use Kyosho but any will work)
tweezers

will post more on this later but just want to give everyone the heads up!