The R1 Concepts drilled-and-slotted black brake rotor for 2005–2006 Pontiac GTO is sold as a direct replacement for the front-left position. The catalog entry indicates a drilled and slotted braking surface with a black finish to match the specified part—confirm your GTO's year and front-left application to ensure this rotor fits before ordering.
R1 05-06 Pontiac GTO Front Left Drilled & Slotted Black Brake Rotor