Carefully developed for the highest level of quality
Ready to serve reliably for years to come
Rigorous quality control and great functionality


Crankshaft Bearing and Seal Kit by Pro X?«. Crankshaft bearings and seals are manufactured at leading OEM factories, mainly in Japan. All bearings and seals are made to exact OEM specifications, to ensure maximum quality and performance. Pro X uses respected brands like Koyo, NTN, NOK and ARS to ensure quality. These brands are used by OEM brands like Yamaha, Kawasaki, Honda, Suzuki and KTM. Pro X bearings offer high durability and the seals make sure to keep the oil in and dirt out of the engine.