The Bilstein B4 OE Replacement (DampTronic) twintube strut for 2005–2012 Porsche 911 with PASM is a direct OE replacement for electronically adjustable factory dampers. Specifically engineered to restore original ride quality and handling, these dampers meet or exceed OE standards and are intended for drivers seeking to maintain the vehicle's factory comfort and safety characteristics with proven Bilstein quality.
Bilstein 05-12 Porsche 911 (w/ PASM) B4 OE Replacement (DampTronic) Twintube Shock - Front