The Bilstein B6 front strut insert for 1986 Audi 4000 Quattro CS is a 30mm monotube damper designed to enhance handling while retaining the factory spring. B6 Performance dampers combine vehicle-specific valve tuning and gas-pressure technology to improve grip, lane stability and safety across everyday and demanding driving. Each unit is tested to meet or exceed OE standards, delivering tuned ride control without compulsory spring replacement.
Bilstein B6 1986 Audi 4000 Quattro CS Front 30mm Monotube Strut Insert