EBC RedStuff Brake pads are designed for OEM applications where drivers demand more performance for mixed sport and standard driving styles. The Kevlar ceramic compound allows for less reinforcing fiber (typically metallic) to be added to the material resulting in higher friction reduced stopping distance less rotor wear and substantially less dust than semi-metallic and traditional ceramic brake pads. They are then finished with a proprietary bed-in coating to ensure maximum life and a smooth mating surface over the entire brake rotor. Because of the higher levels of friction it is highly recommended that these pads be replaced as a front and rear set. By replacing the rear pads only with RedStuff compound pads you risk an overly rearward brake bias which can cause lockup in an emergency stop situation.
I bought NEW Volvo Disc Brake Pad Set - Rear DP31354C 31341331 C30 C70 S40 V50 for my mother and is very satisfied!