PROFORCE 31336G PREMIUM ANTI RUST COATED DISC BRAKE ROTOR (Rear) AWD Best Quality and Value. Superior Braking Power. Equal to or exceed OE weights and metal characteristics. Cosmetic Enhanced Appearance: the brake discs can be seen through the alloy wheels. The aluminum silver color of GEOMET. Braking behavior: the low thickness of the coating on braking surfaces does not damage the quality of braking during the vehicle first use and enables a temporary protection of brake discs surfaces. Temperature resistance (400C): it enables to keep an excellent corrosion resistance on vehicles. Protection inside the vents: no oxidation inside the fins  better thermal exchange while braking.