OEM StrutTwintube Strut AssemblyBILSTEIN has a legendary reputation for providingoriginal equipment components to many of the worlds finest vehiclemanufacturers. The BILSTEIN B4 Seriesprovides the same OEM quality and ride stability forthe aftermarket. BILSTEIN uses both monotube andtwin-tube technology to give the best in OEreplacement driving comfort at a great economical price.Product BenefitsConstant damping characteristics under any loadConsistent performance and handling give the vehicle a new carfeel every timeProven BILSTEIN gas pressure technologyHigh OEM quality standardsBILSTEIN B4 Air SuspensionModulesBILSTEIN engineers worked closely withMercedes-Benz to develop a top-of-the-class suspension for theirtop-of-the-line models and the results are the air suspensionsystem. The Mercedes-Benz S-Class(W220/C215) has this system to thank forits famed driving comfort and is also one of the worlds firstseries production vehicles to be equipped with active springs anddampers.Product BenefitsHigh OEM quality standardsProven BILSTEIN gas pressure technologyResponds to street and vehicle conditions in milliseconds forinstant adaptivityProvides excellent comfort and perfect drivingcharacteristics