RFX Linkage Bearing Kit YZ125 02-04YZ250 02-04YZF250 02-04WRF250 02-04WRF450 03-04LINKAGE BEARING & KITS Contains:• CONTAINS ALL OF THE BEARINGS, SHAFTS, SEALS AND BUSHINGS REQUIRED TO REBUILD A SWING ARM TO FACTORY SPECIFICATIONS• MANUFACTURED FROM 52100 BEARING STEEL FOR IMPROVED PERFORMANCE AND EXTENDED LIFE• FEATURE TEFLON D COATED WASHERS IN PLACE OF THE THRUST NEEDLE BEARINGS• TEFLON D COATED WASHERS OFFER SUPERIOR RESISTANCE TO DIRT, WATER AND LACK OF LUBRICATION WHICH ARE ALL FACTORS LEADING TO PREMATURE FAILURE