This is a A-A550C A550-C Connector Link PN: A550CMain Description As Following : A-A550C A550-C Connector Link P.N: A550C A-A550C A550-C Connector Link P.N: A550C Crosses To: A-AF1606KM AC DELCO , Replaces: L5P *** NO CLASS *** , Crossed From: A550CL , Found in Section & Models : Chains/ Sprockets/ Pulleys/ Hubs > Roller Chains and Attachment Links, (Miscellaneous) (UNDEFINED): SEVERAL Associated Items : New Also This is An Aftermarket Product And : High Quality Afternaket Shipped from Both US and Canada