Someone is selling a set of Eibach springs, and it's from a 3.2L C6. Will they work on my 4.2L? I ask because Eibach has a slightly different part # for them. For V8 part number is: 1595.140, for V6 1592.140.

But Shox.com has #1592.140 listed for all 2005+ A6s. Somebody please help.