WHY MAGMA? - Today's harsh braking environments can create very high heat levels in your braking system which can reduce the vehicle's ability to stop. Extreme high temperatures can be reached in many braking situations such as - Stop and Go Traffic, Mountain Driving, Hauling or Towing, Emergency Stops, Spirited Driving and Long, Sustained Braking. At MAGMA Brakes, we use FIRE to fight FIRE. Our brake system components are made using advanced, state of the art techniques and treatments that ensure our brakes will stand up to the heat.MAGMA Premium brake shoes feature...1. Thermal bonded copper-free friction linings for optimal stopping power2. High heat anti-rust coating prevents corrosion and extends performance life3. Precision-ground linings for exact fit and optimal braking performance4. Attached levers and pins included as per original equipment