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 3 pattern with a black finish. Specified for the named model years, the front assembly pairs four-piston calipers and two-piece slotted rotors as the catalog-listed replacement hardware for those GTOs.
Brembo 04-06 GTO Front GT BBK 4 Piston Cast 2pc 355x32 2pc Rotor Slotted Type-3-Black