Aftermarket OEM Upgrade Heavy Duty Replacement Bearings
High-quality aftermarket (SKF/NTN/KOYO/Nachi/NSK/OEM)—meets or exceeds OEM
027" MLS head gasket for superior compression sealing
Works on all OEM or aftermarket cylinders except power valve or DM Cheetah cylinders
– These are aftermarket replacements that meet or exceed OEM spec
2014+ YZ250F WR250F YZ250FX SKF NTN Crank Main Bearings Set Balancer Bearing Kit Viking Aftermarket OEM Upgrade Heavy Duty93306 20648 00, 93306 20351 00, BK5009, 830046 1, K021, BBK0020, 830046 1, 23. 830046 1 , Koyo, Hot Rods, ProX, Wiseco, Yamaha OEM, Aftermarker Aftermarket replacement crankshaft bearings and crank balancer bearings Compatible with all 2014+ YZ250F, WR250F and YZ250FX models Better than OEM for a fraction of the price Includes 2 SKF crank main bearings and 2 NTN crank balancer bearings SKF Bearings Made in Germany NTN Bearings Made in Japan Replaces