Ford Focus Mk1 1.8 TD - Years of manufacture 98 > 05. EBC Ultimax Brake Discs - Ultra Quiet Sport Slotted Brake Rotors. EBC Part Number = USR280. These are Solid Discs. The narrower multi-slot design and the progressive angle at which the slots are machined creates a quiet running sport rotor that still has the benefits of removing gas, dirt, water and debris and maintaining parallel pad wear.