For 1990-1999 Subaru Legacy Disc Brake Rotor Rear Centric 1991 1992 1993 1994. Centric GCX Rotor with Full Coating. 1990 Subaru Legacy Position: Rear;. Part Type: Disc Brake Rotor. 1991 Subaru Legacy Submodel: Sedan; Engine: Naturally Aspirated; Position: Rear;.