This center cap originally fits: JR3 (15-16")

The Turbosmart unit is made of billet aerospace-grade aluminium with high temperature seals that allow for minimal leakage and a complete seal across the bypass aperture providing as much performance as possible

This center cap only fits: JRX7 and JRX8 PCD 6x139

Solid-centered Ceramic Clutch Plates

Clutch Kit - Xtreme Performance Heavy Duty Sprung Ceramic Incl Flywheel & CSC 735Nm KGM26630-1B JR15 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 735Nm Clamp load Increased over standard Sprung Ceramic Friction Disc Heavy Duty Pressure Plate Kit contains everything you need for a