The Brembo Big Brake Kit is a rear brake upgrade featuring 4-piston cast calipers with two-piece 345x28mm Type3 slotted rotors finished in black, supplied as a direct-fit replacement. This GT 4-piston configuration is specified for rear applications on 2012–2016 Porsche 991.1 Carrera 2 and Carrera 4 models excluding PCCB, matching factory mounting and rotor sizing.
Brembo 12-16 991.1 C2/C4 (Excl. PCCB) Rr GT BBK 4 Piston Cast 345x28 2pc Rotor Slotted Type3-Black