With Expertise Built In , the OTR Standard Relined Brake Shoe not only meets, but also exceeds all FMVSS121 brake standard requirements for 20K Gross Axle Weight Rating (GAWR) axles (165 AL Factor). Successfully stave off rust jacking from compromising the integrity of your brake shoe with steel coating. This brake shoe replacement is the ideal match for both on- and off-highway driving. The brake shoe has optimal drum compatibility, which significantly reduces downtime and maintenance. FleetPride is your First Click in Heavy Duty .