The ST X coilover kit is a ride-height-adjustable suspension system engineered by KW and built by hand in Germany for the Volkswagen Passat B5.5. It pairs galvanized zinc-coated steel struts with a friction-optimized polyamide composite spring perch and stainless-steel insert for corrosion-resistant, long-lasting height adjustment. Dampers and spring rates are application-specific and dyno-tested, tuned for everyday road comfort with sporty handling.
| Type | Coilover kit (ST X) |
| Adjustability | Ride height |
| Damping | Fixed |
| Construction | Galvanized zinc-coated steel struts; polyamide composite spring perch with stainless-steel insert |
| Warranty | 5-year limited, unlimited mileage |
Documents: Installation Instructions (PDF)
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2000 | Volkswagen | Passat | 4 Motion |
| 1999 | Volkswagen | Passat | GLS |
| 2001-2002,2004-2005 | Volkswagen | Passat | GLS 4 Motion |
| 1999 | Volkswagen | Passat | GLX |
| 2001-2005 | Volkswagen | Passat | GLX 4 Motion |
