Bilstein B8 Front Damper each - AUDI A4 / S4 (B9) Sline

Only for vehicles with 49mm Clamping Diameter at the hub. This cannot be checked by VIN and will need to be measured on your car. 
with sports suspension; without electronic suspension control; for PR number: 1BE; for PR number: 1BD serie production spring seat must be used

Bilstein B8 Performance Plus dampers are a performance upgrade to OE dampers designed to be paired with aftermarket lowering springs. These dampers offer application specific valve settings with a monotube design to bring out the best handling performance of a vehicle. Each damper is rigorously tested for quality that meets or exceeds OE standards. B8 Performance Plus dampers are the ideal solution for pairing with a lowering spring for improved handling and sportier look with the added benefit of world-famous Bilstein quality.