Fits: 2006–2013 Porsche 911 Bilstein49-135985CoiloversBilstein B16 (DampTronic) suspension kits feature ride height adjustability with dampers compatible with OE electronic damping systems. All of the active features of the factory electronic suspension, along with the factory controls, will be retained with the installation of this kit. 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 (DampTronic) suspension kits are made in Germany and feature technology tested on the famed Nurburgring.Bilstein B16 suspension kits can equip your vehicle with a race-inspired system that delivers unsurpassed driving performance and high performance tuning. Kits reveal monotube gas shocks with manually adjustable 9 or 10-stage precision compression and rebound settings to take your vehicle from comfort mode to competition-ready with the turn of a dial. Their threaded bodies permit the accurate adjustability of the front and rear progressive rate springs to achieve the vehicle ride height, center of gravity, and the level of handling you desire. Whether you're cruising or competing, Bilstein B16 suspension kits put performance control in your hands. Features and benefits: * Threaded body adjustable range of 20mm at both axles * Lowering of approximately 30-50mm at front and rear * Road-tested and fine-tuned by Bilstein ride engineers--under extreme motorsports conditions * Spring plates and locknuts made from a special aluminum alloy * Triple-C-Technology surface coating--long-lasting corrosion resistance * Round threads for easy adjustment * Quality sport springs made from highly durable material * Gas pressure technology * Bilstein monotube technology--made in Germany
