2003 2004 2005 2006 2007 Yamaha 660 Grizzly YFM660 Rear Axle, Wheel Bearings X2 Fits 2003 2004 2005 2006 2007 Yamaha YFM660 660 Grizzly Quality bearings feature durable rubber seals on both sides for protection from sand and water (except differetial bearings) Meets or exceeds OEM Quality at a fraction of the cost Rear