ECS 10mm hub centric wheel spacers (4) with ball seat bolts. I ran these with my stock wheels on a 2012 A6 for the last four months. They fit Audis with 66.6 hub bore. $140 shipped for all 4 or $70 a pair. Save a little over new and help me out as well. I replaced my wheels and dont need them anymore. PM, Call or Text 865 four one four 4474.
Thanks,

FastLane '12 A6 Quattro Prestige 3.0T, Uni Stage 2, Eurocode Sways and bushing stabilizer inserts, 20" RS6 Reps