The Bilstein B14 (PSS) Suspension Kit (Part Number: 47-086937) is a performance-oriented, height-adjustable coilover system designed for Audi A6 Quattro models. It features high-gas pressure monotube technology for maximum stability and precise handling. The kit includes: 2x Front Performance Threaded Struts (VE3-4692), 2x Rear Performance Shock Absorbers (BE5-2831), 4x Progressive Rate Lowering Springs, and 1x Adjustment Tool Kit (spanner wrenches). Lowering range: Front 30-50mm, Rear 30-50mm. Finished with Triple-C-Technology® surface coating for long-lasting corrosion resistance.