The R1 Concepts Geo-Carbon drilled-and-slotted rotor for 1965–1976 Porsche 911 applications is listed for the front left position. It pairs a Geo-Carbon surface with a drilled-and-slotted pattern as noted in the product description, providing the specific front-left rotor configuration identified for that Porsche 911 year range.
R1 65-76 Porsche 911 Front Left Drilled & Slotted Geo-Carbon Rotor