Quick Overview Quality value designed to match Original Equipment fit, form and function Semi-metallic, ceramic and organic formulas available for best application use Slots, chamfers and shims where applicable Integral electronic wear sensors where applicable Raybestos Service Grade Ceramic Disc Brake Pad Set provides the most affordable, quality line of friction in the aftermarket industry. Service Grade friction offers 95 percent coverage and first-to-market part numbers on certain applications. If you are looking for safe, dependable brake pads to satisfy the coverage needs of older vehicles, then our Service Grade line of friction is for you.