The Bilstein B14 (PSS) Performance Suspension System is a race-inspired coilover kit designed for the 2014-2015 Mazda 3. It features threaded body height adjustability, allowing for a customized stance and improved handling dynamics without sacrificing ride quality. This kit utilizes Bilstein's Monotube gas pressure technology and is street-tested for optimum performance. The set includes: 2x Front Coilovers (Art: 35-242315 / 35-242322), 2x Rear Shock Absorbers (Art: 24-242335), 4x Performance Springs, and a Spanner Wrench set for adjustment.