ST XA height-adjustable coilover kit for the 8V Audi A3 and S3 Quattro, built by hand by KW in Germany and dyno-tested before shipping. Ride height adjusts via a friction-optimized polyamide composite spring perch with a stainless-steel insert, and rebound damping is set with 16 distinct clicks to tune the car between comfort and sport. Galvanized zinc-coated steel struts, a dust protection system, and a multi-layer sealing package protect the hardened chrome piston rod for long-lasting use.
Specifications
| Type | Height-adjustable coilover kit (ST XA) |
| Adjustability | Ride height + rebound damping |
| Damping | 16-click manual rebound adjustment |
| Construction | Galvanized zinc-coated steel |
| Warranty | 5-year limited, unlimited mileage |
Documents: Installation Instructions (PDF)
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2015-2019 | Audi | A3 Quattro | Premium |
| 2015-2019 | Audi | A3 Quattro | Premium Plus |
| 2015-2019 | Audi | A3 Quattro | Prestige |
| 2020 | Audi | S3 | Premium |
| 2015-2020 | Audi | S3 | Premium Plus |
| 2015-2019 | Audi | S3 | Prestige |
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