4x Rear Premium Ceramic Brake Pads w/Hardware - D1377. 2x Rear Disc Brake Rotor - JL54165. Fits Left & Right Rear of Vehicle. Rotors provide durability, stability, and effective heat dissipation. ▶ HIGH PERFORMANCE: HUSCH brake rotors are made of G3000 cast iron, which dissipates heat evenly and enhances braking performance.