If you are using BOV for traction/torque control

(NOT shortie/compressor cover style)

For the Extreme Drift usecase we recommend including the camber and caster adjustable top mounts

lightweight

You can also upgrade your pre 2021 Wisefab S13 rear suspension kit to new toe arm design by purchasing "S13 Rear Suspension Mod Kit"

Clutch Kit - Xtreme Performance Heavy Duty Cushioned Ceramic 570Nm KMC23040-1C JR19 If you are using BOVXtreme Performance Cushioned Ceramic kit 1C Recommended for: Motorsport ApplicationsThese kits are available with cushioned 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 570Nm Clamp load Increased over standard Cushioned Ceramic Friction Disc Heavy Duty Pressure Plate Kit contains everything you