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

it doesn't fit JR10 wheels which originally have higher conical cap

Cushioned ceramic friction discs are similar to the sprung ceramic kits in that they have a sprung hub to absorb shock loading

The StraightGate50 is simple to use and packed with performance

Adjustable antiroll bar (swaybar) motion ratio

Clutch Kit - Xtreme Performance Extra Heavy Duty Sprung Ceramic KFD27008-1BX JR41 This center cap originally fits:Xtreme 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 Clamp load Increased over standard Sprung Ceramic Friction Disc Extra Heavy Duty Pressure Plate Kit contains everything you need