The R1 Concepts Geo-Carbon drilled and slotted rotor is a direct-fit replacement rotor with a Geo-Carbon finish and a drilled-and-slotted face to assist pad cleaning and heat dispersion. This unit fits the rear right position on Chevrolet B6P042 school bus applications for 1979–2003, provided as a matching disc brake replacement for that vehicle.
R1 79-03 Chevrolet B6P042 School Bus - Disc Brakes Rear Right Drill & Slot Geo-Carbon Rotor