[StormTrooperCamaro]

So I recently acquired a set of 25mm Customadeonly spacers, they had really good reviews so I thought I would give them a shot. I put a thin layer of anti seize on the spacers and I torqued them to 140 foot pounds. I tried re. Mounting the tears and switching the sides but the vibration persists in the seat. I got new tires and the wheels road force balanced but it still persists. Any clue how I can fix this?? I really enjoy the look of the wheels being flush but the vibration at 75 mph is driving me crazy