Girodisc Porsche 991 Cup, GT4 Clubsport Rear Replacement Rings (380x30) 20-0259 16-level damping force adjustment

16-level damping force adjustment

Both cans mount using factory holes and integrate cleanly with the surrounding components

Easy octane switching takes only minutes

Approximate installation time: 4 hours

Application-Specific Design: Engineered specifically for FR-S/BRZ/GT86/GR86 platforms

Girodisc Porsche 991 Cup, GT4 Clubsport Rear Replacement Rings (380x30) 20-0259 16-level damping force adjustmentOur replacement rings are sold in pairs and include replacement hardware. The only parts you will reuse are your existing GiroDisc hats. Please note that unless specifically noted, GiroDisc replacement rings are only designed to work with GiroDisc hats. They are not designed to be used with other brands, including hats from cars equipped with 2 piece rotors from the factory.