Monotube Coilover <52mm Carbon Steel Shock Body 44mm Piston>

These coilovers utilize a robust monotube damper design, featuring an oversized 53mm cartridge and a 44mm internal piston to ensure maximum and responsive damper action. The cold-wound springs are manufactured from high-strength SAE9252 steel, striking an optimal balance between performance and ride comfort for daily driving. The top mounts incorporate high-performance pillow ball mounts (where applicable), and the bottom shock brackets are crafted from durable T7075 forged aluminum or steel, complete with integrated brake line brackets (when applicable). These coilovers offer 40 precise levels of damper adjustability, allowing users to meticulously fine-tune their vehicle's ride quality and handling characteristics to meet specific needs, whether for spirited driving on the street or track day performance. They also feature independent adjustments for ride height and spring preload, providing extensive customization options. The kit includes front springs with a 12K rate and rear springs with an 8K rate. Fitment is specifically for the 2014-2017 BMW 6 Series XDRIVE models (F06/F12/F13).