Girodisc Porsche 410mm Front Replacement Rings Race Safe Convert factory carbon ceramic rotors

Convert factory carbon ceramic rotors to iron rotors

Toyota GR Supra (A90) - DB42 (RZ) - B58 - 2019 onwards

It is also recommended to upgrade to a higher output spark plug to provide plenty of spark for the increased cylinder pressure

and many other race engine builders

Girodisc Porsche 410mm Front Replacement Rings Race Safe Convert factory carbon ceramic rotorsOur 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.