There are multiple sets for sale through the classified section on this site. That's really your best bet to ensure good fitment of a used setup. I have my set for sale there as well (I'm in southwest CT). TireRack also test fits all of the setups they sell to ensure that they fit.
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2014 CC R-Line DSG | 2010 S4 Sold | 2010 BMW 135i Retired | 2006 Lotus Exige Sold