Ensuring Expertise Built In , the RSD Brake Shoe Kit is engineered with premium friction material that has been third-party certified to exceed the standards for dynamometer and on-vehicle performance (AL Factor 165). The material has also been developed and assessed to surpass FMVSS 121 Reduced Stopping Distance Requirements at 23,000 GAWR. The replacement kit’s new steel brake shoes boasts of heat-treatment and being solidified to exact specifications, then powder coated to withstand extreme conditions. The semi truck and trailer part also includes extended wear life and minimal drum deterioration, which significantly minimizes downtime and maintenance. FleetPride is your First Click in Heavy Duty .