The Bilstein B8 Performance Plus series (35-228424) is a high-performance, monotube gas pressure shock absorber specifically designed to be paired with lowering springs. This front left strut delivers sport-level handling without compromising daily drivability. Key features: 36mm monotube design for consistent, fade-free performance; lowered stroke to ensure proper spring tension; bolt-on installation with Lower-Clevis/Upper-Stem mounting. Part of the B8 Series Performance Plus line. This item is a single strut: 1x 35-228424 (Front Left Strut). It is recommended to replace in pairs with the Front Right strut (35-228431).