Bilstein is known for its high-quality sports springs, which are made from highly durable materials and designed to last. The sport springs offer improved handling, while also improving the comfort and stability of your vehicle. Tested by our engineers under motorsport conditions, our Bilstein shock absorbers are designed for a comfortable ride on the road and to withstand extreme driving conditions. The robust round thread on our shock absorbers allows easy adjustability. Through intense testing, Bilstein has developed an optimal range of spring rates that can be mounted on this suspension. This series includes Bilstein b14 Coilovers r53, Bilstein b14 Coilovers r56, Bilstein b16 Coilovers, Bilstein b14 Coilovers f56,Bilstein b16 pss10 coilovers f56, Bilstein clubsport coilovers f56.