Is This Tire Wear Normal?

[BlaineBug]

How often do these alignment keys move??? I've never heard of that.

 

[swathdiver]

Oh I understand that part of it. I thought the poster was referring they would help with providing a larger range of adjustment.

No, there's another set that does that actually, comes with new cams/bushings.

 

[BlaineBug]

I saw this ad recently for 4 Tahoe wheels and tires for sale. Looks to me to be the exact same type of tire wear;