The Webb 16.5" x 8.62" Vortex Unlimited Cast Brake Drum ensures you are Ready for the Road Ahead™, as the ultimate low-temperature, long-life brake solution. With patented "ribbed" design, this heavy duty brake drum provides more surface area for improved heat dissipation. A new patented-pending CRT™ vents (Cool Running Technology) increases air-flow for superior heat transfer efficiency and cooler temperatures. Not sure if your brake drum needs to be replaced? We have you covered. With new, patented wear indicator, guesswork out of repairs is eliminated, saving you time and money. Cooler temperatures mean longer brake and lining life and lower maintenance costs, keeping downtime down. FleetPride is your First Click in Heavy Duty®.