Eibach bump stop secondary springs for the 2013 Ford Focus ST offer an aftermarket tuning option for the vehicle’s suspension, acting as secondary spring elements to refine spring rate progression and help control bottoming. They are specified for the Focus ST model year noted and intended to work with compatible coilover or suspension setups. These components are used to fine-tune ride characteristics and provide additional support during heavy compression events.
Eibach 13 Ford Focus ST Bump Stop - Secondary Spring Tuning