ProX 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. ProX 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. ProX bearings offer high durability and the seals make sure to keep the oil in and dirt out of the engine. ProX Crankshaft Bearing & Seal Kits offer you reliability and carefree driving. The sets contain all parts you need for rebuilding your crankshaft and can be used in combination with all other ProX or OEM crankshaft related products. Next to the high quality ProX connecting rod kits the Crankshaft Bearing & Seal Kits are completing the crankshaft parts program. These new sets will be the easiest and best replacement for your Dirt bike, ATV and PWC.. ProX offers a wide variety of high quality ball and roller Bearings. It does not matter if you need Crankshaft Bearings, Steering Bearings, Swingarm Bearings or Wheel Bearings, ProX has them all. ProX Racing Parts Crankshaft Bearing & Seal Kit CRF250R '06-17 + CRF250X.. ProX Crankshaft Bearing & Seal Kit CRF250R '06-17 + CRF250X. ProX 06-17 CRF250R/CRF250X Crankshaft Bearing & Seal Kit. Engine Crankshaft Main Bearing Set. ProX Crank. Brg&Seal Kit. Crank. Brg&Seal Kit

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