truck king pin kit for Scania 1,Part No: 550284 2,Hardness:58-63HRC 3,Material: 45carbon steel truck king pin kit for ScaniaItem Nameking pin kitItem NO550257 550284 550711 550713 550714 550730 550732 550733ApplicationSCANIAPart NO/ Pin size550257:40×35 54.8×10 45×67 total length 224mmHardness58-63HRCMaterial45#carbon steelOther compenentsgenerally bushings+bearing+big washer+small washer+nipple+ ...