The ST X coilover kit delivers adjustable ride height with everyday road comfort for the Audi A6 and A6 Quattro (C7). Each kit runs galvanized zinc-coated steel struts with a friction-optimized polyamide composite spring perch and stainless-steel insert for corrosion-free height adjustment. Dampers and spring rates are application-specific, tuned and built by hand at KW in Fichtenberg, Germany, with every unit shock-dyno tested.
| Type | Coilover kit (ST X) |
| Adjustability | Ride height |
| Damping | Fixed |
| Construction | Galvanized zinc-coated steel strut, monoblock guide system |
| Warranty | 5-year limited, unlimited mileage |
Documents: Installation Instructions (PDF)
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2012-2016,2018 | Audi | A6 | Premium |
| 2012-2016,2018 | Audi | A6 | Premium Plus |
| 2012-2014,2018 | Audi | A6 Quattro | Premium |
| 2012-2016,2018 | Audi | A6 Quattro | Premium Plus |
| 2012-2016,2018 | Audi | A6 Quattro | Prestige |
| 2014-2016 | Audi | A6 Quattro | TDI Premium Plus |
| 2014-2016 | Audi | A6 Quattro | TDI Prestige |
