Porsche Lock Nut 90091000402

Engineered in Stuttgart to exacting standards, this Porsche lock nut restores precise factory performance (reference 90091000402). Its hardened finish resists corrosion and fatigue under demanding track conditions. The outcome is a professional repair that honours Porsche's engineering heritage. Every detail is exactly as the factory designed it — no compromises. Contact Masparts for expert support and prompt delivery of this genuine Porsche part.