ProX front fork oil seals are made at the O.E. manufacturers in Japan. For almost every Motocross / Enduro application you can find the right front fork seal at ProX. The high quality and competitive pricing made them a very popular item in their range. The way to go! The Pro-X Fork Seals and Wipers use the same NOK material as used by O.E.M. to offer a quality seal. Pro-X fork seals and wipers are sold as a set of two seals and two wipers for motorcycle forks.