PROX Valve Stem Seal for Yamaha WR250, YZ250F

ProX offers a wide range of valve stem seals for the MX, Dirtbike, Roadbike and ATV segment. The seals are manufactured by the leading OEM factories in Japan such as NOK and ARS. The seals are produced from premium grade materials and are made to OEM specs and tolerances, offering low friction in combination with superior seal for excellent durability.