tires like to dance

[mc_kinjim]

hey guys. i was wondering if any of you other guys have this problem.
Whenever i go around 60mph. my wheels like to "dance" left and right very quickly.
I am still going fairly straight but is this normal? I used to drive a lincoln town car.
Maybe thats why?
Or is the stock wheels? (Dunlop)

 

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It's not normal. Have your tires rebalanced and wheels aligned.