The OTR Severe Service Brake Shoe Kit ensures Expertise Built In™, not only offering a low cost per mile, but it also provides remarkable safety. Its performance has proven to be reliable, durable, and versatile. With low swell and growth, wheel lockup will not be an issue with this brake shoe kit. This semi truck and trailer replacement part 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. FleetPride is your First Click in Heavy Duty®.