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 PartNumber : bil47-118478 Description : B14 (PSS) - Suspension Kit Series : B14 (PSS) Internal Design : Monotube Finish : Dampers: Zinc/Springs: Blue Front Main Spring Rate (lbs/in) : 428 Front Main Spring Rate (kgf/mm) : 7.6 Front Main Spring Type : Linear Front Tender Spring Rate (lbs/in) : 79 Front Tender Spring Rate (kgf/mm) : 1.4 Rear Main Spring Type : Linear Rear Main Spring Rate (lbs/in) : 457 Rear Main Spring Rate (kgf/mm) : 8.1 Rear Tender Spring Rate (lbs/in) : 79 Rear Tender Spring Rate (kgf/mm) : 1.4 Title : Bilstein Shock Absorbers California Proposition 65 : WARNING: Cancer & Reproductive Harm - www.P65Warnings.ca.gov Position : Front and Rear 2005-2006 Mitsubishi Lancer Evolution L4.1997cc Suspension::Coilovers 2003-2004 Mitsubishi Lancer Evolution L4.2000cc Suspension::Coilovers 2005-2006 Mitsubishi Lancer Evolution MR L4.1997cc Suspension::Coilovers 2005-2006 Mitsubishi Lancer Evolution RS L4.1997cc Suspension::Coilovers 2006 Mitsubishi Lancer Evolution SE L4.1997cc Suspension::Coilovers