Disc Rotor: Corvette 1984-87 Slotted Rear - (Pr)This is a performance slotted rotor set now developed for the Corvette. Delivery is not included on disc rotors due to dead weight and heavy protected packaging.. .. but is sensible.. approxa $33 to $66 pr nationwide . Keeps it all simple This fits all 84 87Corvette REAR rotor & are directional. (We also supply the standard rotors on request but if your going to do it.. this a a major improvement.)