EBC brakes has a number of different formulas that perform differently depending on what you are using your vehicle for. Different formulas are aimed at tow rigs, rigs with large tires, and rigs that may see high braking temperatures. These Chevy Dana 60 kingpin brake pads are EBC Yellowstuff brake pads. Yellowstuff pads feature high friction material that is said to increase brake performance by 30-40 percent. Each pad is coated with red break-in coating so the pad properly seats on the rotor. This also enhances performance and brake life.