The Brembo two-piece rear rotor for 2014–2019 991 GT3 and 991 GT3 RS (excluding PCCB) is a 380×30 mm, two-piece disc finished with a Type-3 slotted face. Offered as a rear rotor set, the description calls out the 2-piece construction and slotting type for proper fit on the specified 991-series GT3 applications without PCCB equipment.
Brembo 14-19 991 GT3/991 GT3RS (Excl. PCCB) Rear 2-Piece Discs 380x30 2pc Rotor Slotted Type-3