The Brembo big brake kit for 2016–2020 XC90 fits the front with GT calipers in a 6-piston cast configuration and 405 x 34 mm two-piece slotted rotors in Type1 silver. The listing states front application, piston count and rotor dimensions with a slotted face so shoppers can verify this GT BBK matches XC90 front brake requirements.
Brembo 16-20 XC90 Front GT BBK 6 Piston Cast 405x34 2pc Rotor Slotted Type-1-Silver