Toe link - because it controls toe in (or out)
If you want to see what happens when the spindle - carrier - axle yoke is not well designed -- look at this thread.
https://lateral-g.net/forums/show...28681&page=133
FYI -- 1800# '32 Fiberglass roadster - 450hp 383 stroker (mild) - 5 speed... 10' burn out - 3rd time (10'r) this happened -- and this is the SECOND SET of these... Now THIRD set is beefier as shown here.