Q: Is this kit compatible with OEM rings
This kit is a bolt-on solution with no machining required
Crankshaft seals x 2
For RMZ450 riders who demand max performance
Improves clutch performance and service life
YZ450F YZ 450F All Years Crank Main Bearings Aftermarket Stronger HD Bearing Kit FZ1 Q: Is this kit compatible93306 30633 00,B5000,B5050,B5003,B5055,BK5049,BK5031,93306 30633 00, K022, B5050 Feel the extra kick in your Yamaha YZ450F, YZ450FX, or WR450F with these premium SKF crankshaft bearings. Built stronger than OEM yet cost less, these bearings unlock hidden horsepower and let your ride truly rip. Premium SKF bearings designed for high performance demands Stronger construction prevents failure from extreme stress Fits Yamaha YZ450F, YZ450FX, and WR450F