The R1 Concepts Geo‑Carbon drilled and slotted rotor for 1997–2004 Porsche Boxster is specified for the rear left wheel and features the Geo‑Carbon drilled-and-slotted design. This rear-left rotor matches the braking position for those Boxster model years and is intended as the correct position-specific rotor. Confirm vehicle year and fitment before installing this rear-left unit.

R1 97-04 Porsche Boxster Rear Left Drilled & Slotted Geo-Carbon Rotor