Direct-fit ST X coilovers for the Audi A4 B9 (2017-2020) with 50mm damper diameter and 53mm front axle clamp. Designed for fast-road use - not track-only, not soft-road compromise.
40-66mm of ride height adjustment front and rear via polyamide locking rings. Twin-tube dampers tuned for UK tarmac, with galvanised steel struts plus extra corrosion coating.
Chrome piston rods and mono-block guides for consistent response
ST’s proven seal package for long-term reliability
No spacers, no modifications - bolt on and set your stance
