The Brembo GT big brake kit for 2004–2006 Pontiac GTO front applications includes a cast 4-piston caliper and two-piece 355 x 32 mm rotors in a slotted Type 1 pattern with a black finish. Presented for the named model years, the front assembly pairs four-piston calipers and two-piece slotted rotors as the listed replacement hardware for those GTO applications.
Brembo 04-06 GTO Front GT BBK 4 Piston Cast 2pc 355x32 2pc Rotor Slotted Type-1-Black