The Meritor Opti-Cast 16.5-by-7 inch brake drum is designed for light- and medium-duty, on-highway applications.

The brake drums weight 103.5 pounds and are designed for improved heat absorption and dissipation. The drums are made for 23,000 pounds GWVR (Class 6) and meet FMVSS 121 air-brake systems compliance.

The drums are compatible with several popular wheel-end configurations and axle ratings. The brakes are made of an alloy blend designed for increased strength and durability. They're available in machine-balanced or unbalanced versions and come in single, pallet or trailer-load quantities.