How much are wheels and adapters? For under a grand you can get a very nice set of wheels with tires.
Those wheels are supposedly 28lbs each (54lbs with tires). That is insanely heavy. Spacers will give you even more unsprung weight. I know you really like those wheels and they would probably look very nice, but just be aware of the weight difference -- you'll probably gain 15-20lbs PER CORNER vs. the stockers :icon_eek: