Prepare your semi to be Ready for the Road Ahead™, with the Performance Friction 9.45" x 3.49" Z-Rated® Disc Brake Pad that offers safe and reliable stopping power. To rapidly bring vehicles to a stop, this replacement disc brake pad works alongside the rotor to create friction that slows the wheels. Fashioned with heat-resistant and durable materials to reduce how often the component needs to be changed. FleetPride is your First Click in Heavy Duty®.