Brake Rotors. DODGE CHALLENGER SXT RWD (w/ Single Piston Front Calipers and 320mm Solid Rear Rotors). DODGE CHALLENGER SXT (w/ Single Piston Front Calipers and 320mm Solid Rear Rotors). DODGE CHALLENGER SXT Plus (w/ Single Piston Front Calipers and 320mm Solid Rear Rotors).