The Bilstein B14 PSS kit features both coilover and standard monotube gas shocks with performance-level valving, with application specific, progressive rate coil springs. The solid aluminum spring seat and lock nut allows for precise adjustment of the vehicle's lowered ride height. Bilstein's patented Triple-C-Technology�® coating ensures long-lasting resistance to corrosion. This kit is ideal for the driver looking to set a car's ride height for both looks and improved handling.