R1 Concepts drilled-and-slotted brake rotor for 1999–2003 Lexus RX300 (rear left) is a black-finish replacement rotor that combines drilled holes and machined slots to help evacuate gases and control surface heat for steadier braking feel. Designed for the rear-left position on the listed RX300 years, it provides a direct-fit option when upgraded slotted and drilled rear rotors are required.
R1 99-03 Lexus RX300 Rear Left Drilled & Slotted Black Brake Rotor