GiroDisc slotted rear rotors are intended for Porsche 991 GT3 Cup (992) applications as factory‑matched rear brake components. Specified for that model, these slotted rotors provide a replacement rotor option designed to fit the 992 GT3 Cup rear brake assembly. They give owners a direct rotor solution matched to the stated Porsche application.
GiroDisc Porsche 991 GT3 Cup (992) Slotted Rear Rotors