The Meritor 16.5" x 8.62" Outboard Mount Brake Drum is a top-of-the-line brake drum designed to provide excellent stopping power for heavy-duty vehicles. With a brake size of 16.5" x 8.63" and X30 Balanced type brake drum, this product is built to last and deliver reliable performance. The drum's overall depth of 12.15" ensures an accurate fit with the braking system, providing maximum stopping power when you need it most. The mounting pilot diameter of 8.53" ensures a secure and reliable fit, giving you peace of mind while on the road. This brake drum is made from high-quality cast iron material, ensuring durability and longevity. It also reduces brake noise compared to lightweight steel shell composite brake drums, making it a great choice for drivers who want a quieter ride. If you're looking for a reliable and high-performing brake drum for your heavy-duty vehicle, the Outboard Mount Brake Drum is an excellent choice. FleetPride is your First Click in Heavy Duty®.