kit of 2 spring seats w/ hard silent blocks POWERFLEX BLACK SERIES Rear shock absorbers w/ 12mm rod for BMW M3 E46

Powerflex Black Series 2-part top mount kit with stiff bushings. Rear shock absorbers with 12mm rod for BMW M3 E46 The "Black Series" range from industry leader POWERFLEX is designed for racing, track, and rally applications with a 95 Shore A hardness, offering increased rigidity and designed for a long service life. This kit corresponds to Reference 30 (see below):