Replacing worn hub assemblies with DuraGo Premium Hub Assemblies will reduce friction and improve fuel economy. We use the highest quality components to assemble each hub unit. Each Hub Assembly is individually heat treated utilizing the latest digital machinery. Frequency and current are closely monitored to ensure proper heat treatment. After the induction process, each unit is tempered to improve ductility and toughness and increase impact resistance. Our Hub Assemblies are 100% tested to ensure each unit meets our high standards. All DuraGo Hub Assemblies are proudly manufactured to industry leading quality standards and meet ISO/TS 16949:2002.