B&G Suspension Systems 60.1.021 S2 Sport Vehicle Lowering Spring Lowers vehicle: front-1.7 inch, rear-1.5 inch Progressive spring rate design to maintain ride quality while improving road feel and handling Cold wound from high tensile chromium silicone wire and individually super blocked and computer tested against tight tolerances ISO9001, QS1400, and TUV ceritfied Limited lifetime warranty