High Performance Brake Rotors Cross-Drilled & Slotted 1964-1972 GM A-Body 67-69 F-Body 68-74 X-Body 1955-1970 Full Size Chevy Includes: Left Front Rotor 555-630500 Right Front Rotor 555-630501 Note: Accepts Timken bearings #A2 (bearing: LM11949 / race: LM11910), and #A6 (bearing: LM67048 / race: LM67010), and a Timken seal #8705-S. Age Group: adult.