Avoid potential accidents and uncontrollable speed with the Gunite 15" x 5" Outboard Mount Brake Drum, a product designed to make sure you're Ready for the Road Ahead®. To keep your vehicle on the road longer, this brake drum includes corrosion-resistant properties and a large contact surface area. Thanks to its cast iron composition, this brake drum is capable of weathering the elements, while also dissipating heat buildup. Fashioned, cast, and machined to restore your truck's brake assembly to its original condition. FleetPride is your First Click in Heavy Duty®.