Incl. 2 tapered roller bearing & race assemblies and 2 x 0.4" thick oil seal. Repl. OEM 9052 tapered bearing & race assemblyWheel: 73-99 B.T., TC (excl. 80-81 FLT rear) 73-99 XL front 79-99 XL rear (NU). Swingarm: 58-86 4-sp B.T. (excl. Softail) (NU).