First I would check that the wheels are correctly mounted. If you are using a centering ring make sure it is the correct one and correctly fitted.
2nd would be make sure that the wheels are correctly balanced. Have them checked/re-balanced on a good road-force balancing machine.
Worst case, bent wheel. You can check for this by jacking the front of the car up and spinning the wheel slowly by hand while holding a reference next to it and making sure the lip is even all the way around. Your balance shop should be able to tell you that it is likely bent if you end up with a crap load of weight on one side.
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