1.Fit to kenworth 2.Size: OD: 2 1/16" Length: 4 1/16" (outer sleeve) Pin Groove: 6 5/16" c-c 3.Replaces: kenworth B65-1007,B65-1012 Atro SP59-11007 4.Certificate: ISO 5.Market: USA, Canada, South America, Russia, South Africa and other place