Girodisc Porsche 380mm Rear Replacement Rings 2021 JCW: +15-27 hp | +20-26

JCW: +15-27 hp | +20-26 ft-lb torque

If you aren't sure which rings you need

Performance Gains: Achieve an increase of approximately 10 horsepower and 10 Nm of torque

Please contact COBB Support if you have any questions

Girodisc Porsche 380mm Rear Replacement Rings 2021 JCW: +15-27 hp | +20-26Our 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.