I've been through this over and over with all of my 4-Runners. IF you have one or more wheels that are a little off you MUST find a shop that can balance them LUG-centric. On my '10 trail I have I have one that has a hub-lug center difference. I have to tell the shop every time to use the adapter yet they still 'forget' and I have to take it back.
Here is an article that discusses the issue. There is a TSB that instructs Toyota Techs to use the adapter IF the customer has issues.
HAWEKA
I've recently moved to the sticks and only the Dealer has the adapter around here, I still had to take them a copy of Technical Service Bulletin (TSB SU002-96) ..