The Bilstein B14 PSS Suspension allows adjustable vehicle ride height without the expense of a fully adjustable damping system. This system features both coilover and standard mono-tube gas pressure shock or struts with performance level valving for application specific, progressive rate coil springs. *The product benefits at a glance:* * Threaded body adjustable range of 20 mm * Lowering of approx. 30-50 mm at front and rear * Road-tested and fine-tuned by BILSTEIN ride engineers, under extreme motorsports conditions * Aluminum Spring plates and lock nuts * Surface coating using Triple-C-Technology®for long-lasting corrosion resistance * Round threads for easy adjustment * Quality sport springs made from highly durable material * Gas pressure technology * BILSTEIN monotube technology, made in Germany