All the metal components on Wisefab E90 front suspension are from high strenght steel

Stainless Steel cast body & Aluminium actuator housing

e-Boost STREET control unit

We've taken the proven technology from our WG38

Torque capacity 1062Nm

Clutch Kit - Xtreme Performance Extra Heavy Duty Sprung Ceramic 670Nm KMI24001-1BX JR44 All the metal components onXtreme Performance extra sprung ceramic kit 1BX Recommended for: Motorsport ApplicationsThese kits are available with sprung ceramic friction discs and are designed for motorsport applications where higher heat and torque capacity is required. These can also be used in some road applications. Specifications: Torque capacity 670Nm Clamp load Increased over standard Sprung Ceramic Friction Disc Extra Heavy Duty Pressure Plate Kit contains everything you