The Brembo GT rear big brake kit for 2007–2013 GMC Sierra 1500 rear applications upgrades the rear brakes with four-piston calipers and two-piece 380×32 mm cast rotors. This slotted Type1 rotor package in silver pairs two-piece rotors with multi-piston hardware to increase rotor surface and thermal handling for steadier rear brake performance under load.
Brembo 07-13 1500 Sierra Rr GT BBK 4Pis Cast 2pc 380x32 2pc Rotor Slotted Type1-Silver