Stock upper arms will not fit without modifying them

Revised steering geometry (trail and Ackermann)

Subframe bushings with sperical bearings

100mm lenght key dedicated for some low offset wheels to avoid wheels scratches

and is made from thicker

Clutch Kit - Xtreme Performance Heavy Duty Sprung Ceramic 510Nm 650kg (45% inc.) KHD22001-1B CVR5 Stock upper arms will notXtreme Performance sprung ceramic kit 1B 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 510Nm Clamp load 650kg 45% Increased over standard Sprung Ceramic Friction Disc Heavy Duty Pressure Plate Kit contains everything you