Bilstein 33-321912 SZ Series Motorsports Shock Absorber - 46mm

The Bilstein SZ Series shock absorber is engineered specifically for motorsports applications where performance and consistency are critical. Built with a robust 46mm piston and durable steel construction, this shock delivers professional-grade damping control for competitive racing environments.

Key Features:

• 46mm monotube piston design for superior heat dissipation and consistent performance
• Smooth body steel construction optimized for racing durability
• Standard digressive valve settings utilizing proprietary spring steel valve discs
• Convertible to coilover design with separately sold conversion kit
• Available in multiple length configurations to fit various chassis applications
• Non-rebuildable sealed design compliant with racing series that prohibit rebuild capability

The SZ Series is ideal for racers competing in sanctioning bodies with technical regulations that restrict or prohibit rebuildable shock absorbers. Bilstein's digressive valving provides firm initial control that progressively softens through the stroke, delivering responsive handling characteristics for road racing, autocross, and track day applications.