The Power Products 15" x 4" Outboard Mount Brake Drum is a high-quality brake drum designed to provide exceptional performance and durability for heavy-duty commercial vehicles. With a maximum wear diameter of 15.12", this brake drum is built to last and can withstand extreme conditions and heavy loads. The outboard mount configuration and standard bolt hole size make installation quick and easy, while the advanced K-type drum design helps to improve vehicle safety and reduce the risk of accidents. The brake shoe width of 4" and back plate thickness of .5" ensure reliable and consistent performance. This brake drum is compatible with a wide range of heavy-duty commercial vehicles and is designed to meet or exceed OEM specifications. With an overall depth of 8.86" and a brake surface flat of 4.78", this brake drum is the perfect choice for those looking for a reliable and high-performance brake drum for their heavy-duty commercial vehicle. FleetPride is your First Click in Heavy Duty®.