If I understand this correctly and you are looking for just the clips then check at Qtec or 4wd.com they have pretty good axle breakdowns of all the parts and replacements. As far as strength is concerned I havent got enough experience to vouch for them being stronger or not.
87 YJ 4.2L, Weber 32/36, rear bumper tire carrier, nutter bypass, RE 4 inch lift, SYE, AX 15, lined the body tub
"Baby when you said you wanted a project jeep I expected you to spend a lot of money on it" <---Worlds best wife!!!