Body Disc Brake Conversion Kit Booster Drilled Rotors 9″ For 1964-1972 GM A F X
9" Power Brake Booster – Provides excellent stopping power. Large GM Calipers – Fully loaded with premium MKD-52 brake pads. 11" Cross-Drilled & Slotted Rotors (5x4.75 bolt pattern) – Superior cooling & performance.