Ensure you're Ready for the Road Ahead® with the Gunite 16.5" x 6" Outboard Mount Brake Drum, a brake drum designed with superb stopping power and reactive brake time. To provide your vehicle with an impressive service life, this brake drum offers a large contact surface area and corrosion-resistant properties. Additionally, each replacement part is designed to evenly dissipate heat, to prevent thermal swelling and further problems. Crafted with precise measurements to meet industry standards. FleetPride is your First Click in Heavy Duty®.