Ok, the XV-01TC's manual is taking some time, but the parts listing is out!
http://www.tamiyausa.com/product/rcp...s&kit_id=58558
And as mv75 noted at URC forums, the touring kit uses a longer piston shaft up front and that solves the short ball joint mistery and also the bottoming out problem!
http://www.tamiyausa.com/product/ite...uct-id=9804706