The newest sintered metal brake pad fusion technology Has the highest friction rating available in a pad .6 for strong, fade-free stopping power Pad blend includes molybdenum metal and tungsten additives to enhance friction performance for the life of the pad No lead, iron or steel additives; no more rotor outline etching or rotor stiction Super-fast bed-in, full friction after 10 to 15 race stop uses Great heat cycle ability; pads cool after the extreme use and perform just as strong the next day