Bilstein B16 (PSS9) suspension kits feature ride height adjustability with 9-stage manually adjustable dampers in an OE quality, direct fit package. The 9-stage damping system adjusts both rebound and compression with each click to provide the best handling performance in any condition. These kits offer monotube performance dampers with matched springs that are tuned for each specific application. The zinc coated and threaded body design will give you the flexibility to find the perfect ride height setting for your intended use while providing unsurpassed protection against the harshest road elements. B16 (PSS9) suspension kits are made in Germany and feature technology tested on the famed Nürburgring.

The Bilstein B16 PSS10 Coilover Suspension Kit for the 2002-2007 WRX / 2004 STI incorporates cutting-edge technology including gas-pressure, monotube/upside down, 1-way adjustment, round thread and threaded body adjustable range for superior damping power, quick and easy adjustment, and maximum stability. Bilstein's renowned OE quality, triple-c technology and rigorous testing assure safety and high-performance for all driving conditions, while giving the desired look. This complete set includes proper springs for both the front and rear of the car.