After each purchase, we ask for the vehicle data to make sure that the springs fit your vehicle! The checked LOWTEC SPORT SPRINGS are produced exclusively in Western Europe in complex processes of the highest quality. The high-quality chrome-silicon steel is cold-wound, specially heat-treated, shot-blasted, finally set, then phosphated and powder-coated. Harder identifiers and more progressive characteristics of the sport springs bring better support of the centrifugal forces in curves, The combination of different front and rear axle springs results in individual design options from a subtle to an aggressive vehicle look. Additional note: The amount of lowering is reduced by the amount of the factory lowering. All wheel/tire combinations that have been approved by the wheel testing cen.