If it's such a problem order directly from the dealer and spend $200 a disc. FEBI/Bilstein are fine. They're used on BMWs and seem to hold up ok.

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Only diesels in this driveway.
2005 E320 CDI 243k Black/Black
2008 Chevy 3500HD Duramax 340k
2004 Chevy 2500HD Duramax 220k