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The GiroDisc slotted rear ring for Porsche 911 GT3, GT3 RS and GT2 RS (991, excluding PCCB) replaces the factory friction surface with a slotted design that helps maintain pad contact and channel gases and debris for more consistent braking. This direct-fit rear ring is intended for 991 models without ceramic brakes; confirm pad compatibility before installation.
GiroDisc Porsche 911 GT3/GT3RS/GT2RS (991 Excl PCCB) Slotted Rear Rings
