The R1 Concepts GEO-Carbon drilled-and-slotted carbon-coated brake rotor set for 2003–2011 Cadillac BLS front upgrades OE hardware with precision-drilled holes and diamond slots to increase pad bite, ventilation and heat dissipation. Mill-balanced G3000-grade cast iron construction with rust protection and countersunk holes reduces cracking risk. The two-rotor kit matches OEM dimensions for direct replacement and consistent braking feel.
R1 03-11 Cadillac BLS Front Drilled & Slotted Carbon Coated Brake Rotor Set