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The GiroDisc slotted front rotor for Porsche 911 GT3 Cup (991) is a vehicle-specific rotor built for the 991 GT3 Cup front brake package. Its slotted face helps evacuate pad material to support consistent stopping behavior under track or aggressive street use. Supplied to match the 991 GT3 Cup fitment, it offers a straightforward replacement without fitment modification.
GiroDisc Porsche 911 GT3 Cup (991) Slotted Front Rotors
