With Expertise Built In , the OTR High-Temperature Relined Brake Shoe not only meets, but also exceeds all FMVSS121 brake standard requirements for 23K Gross Axle Weight Rating (GAWR) axles (165 AL Factor). Effectively stave off rust jacking from compromising the integrity of your brake shoe with steel coating. This brake shoe replacement is the preferred 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 .