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 drums feature...1. Built to original equipment form, fit and function2. Exacting production processes ensure proper fitment3. High grade castings provide superior performance and long service life4. Precision finish ensures proper friction contact area for smooth operation