Yes, Chadworkz I got your point. (I mean no offense by the followings.) However, stock sliders are not my first priority. I've got no way to make the v3 work with G3R stock central rear shaft or my customized shaft. That's why I am back to the second alternative.
Indeed, the diffs come with the parts needed to run stock plastic wheel axles. However, it is not simply a "drop in" . Trimming is necessary for the couplers of stock wheel shafts, at least for me.