Bilstein B6 Performance dampers are a performance upgrade to OE dampers designed to be paired with the OE factory spring. These dampers offer application specific valve settings with a monotube design to bring out the best handling performance of a vehicle. Each damper is rigorously tested for quality that meets or exceeds OE standards. B6 Performance dampers will provide improved safety and handling performance with the added benefit of world-famous Bilstein quality. Twintube Strut Assembly What's Included: Bilstein B6 15-17 Mercedes-Benz GLA45 AMG (w/o Electonic Susp) Front Right Twintube Strut Assembly Vehicle Fitment: 2015-2020 Mercedes-Benz GLA250 Base 2015-2020 Mercedes-Benz GLA250 4Matic 2015-2019 Mercedes-Benz GLA45 AMG 4Matic 2017-2018 INFINITI QX30 Base 2017-2019 INFINITI QX30 Sport 2017-2018 INFINITI QX30 Premium 2017-2019 INFINITI QX30 Luxury 2019 INFINITI QX30 Luxe 2019-2019 INFINITI QX30 Essential