Ford Focus ST Slotted Rear Right Brake Rotor by Stoptech Upgrade your worn out rotors with Stoptech's high performance slotted rotors. This Rear Right rotor is the perfect product to help you stop during spirited and track driving. This rear rotor features a durable black e-coating on the caps and in the cooling fins to prevent corrosion for long lasting rotors and works perfectly with the stock calipers and brake pads.Stoptech's Vac-U-Slots are machined and engineered to help remove gasses, dust and heat. They keep the surface clean from debris so that your brakes can work efficiently and effectively.Stoptech Ford Focus ST Slotted Rotor Features:Power alloy castings Engineered performance rotor Superior resistance to cracking due to thermal stress Increased molybdenum (higher carbon) content extends reliability and helps reduce noise Direct OE replacement Increased initial "bite"