PRIUS PLUG-IN. 2x Front Disc Brake Rotors - JL - 31541. Front Disc Brake Rotor + Ceramic Brake Pad Kit. 2x Front Ceramic Brake Pads (Hardware Included) - D - 1184. ▶ HIGH PERFORMANCE: HUSCH brake rotors are made of G3000 cast iron, which dissipates heat evenly and enhances braking performance.