Bilstein B12 (Pro‑Kit) suspension kit for Porsche 911 pairs Bilstein performance dampers with Eibach Pro‑Kit springs to provide fixed, vehicle‑specific lowering between approximately 25–40mm depending on application. Tuned per application for improved dynamics, the kit balances precise response, ride quality, and aesthetics while offering a straightforward complete suspension replacement.
Bilstein 12-19 Porsche 911 B12 Pro-Kit