The Bilstein B8 Performance Plus series is a high-performance aftermarket shock absorber specifically designed to be paired with lowering springs. Featuring a 36mm Monotube gas-pressure construction, these struts provide improved handling, increased stability, and enhanced sport-tuned damping without sacrificing ride quality. This unit is engineered for vehicles with a 55mm lower strut housing diameter. Component List: 1x Front Strut Assembly (Part Number: 35-108191), 1x Mounting Nut, 1x Instructions Guide. Ideal for drivers looking for a sportier feel and precision handling for lowered Audi and VW MQB/A5 platform vehicles.