Originally Posted by
Odin544
Search by part number rather than just looking under the parts for the XB4. Amain doesn't show ball cups for the XB4 either. But if you look up the part number you will find they have those as well.
Ahhh there you go, I found it, part number is 302665 and they are posted for the Xray T2 and T3 family of vehicles
http://www.amainhobbies.com/product_...Joint-w-Hole-4