This center cap originally fits: JR11 (15"-18")

but it's anything but light on performance

Turbosmart’s eSG50 Electronic StraightGate is a Patent Pending

Clamp load 1250Kg Increased over standard

but allow modifications for rack relocation

Clutch Kit - Xtreme Performance Heavy Duty Sprung Ceramic Incl Flywheel 570Nm KNI24501-1B JR26 This center cap originally fits:Xtreme 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 570Nm Clamp load Increased over standard Sprung Ceramic Friction Disc Heavy Duty Pressure Plate Kit contains everything you need for a