This is a A-AL662CO AL662-CO Connector Link PN: AL662COMain Description As Following : A-AL662CO AL662-CO Connector Link P.N: AL662CO A-AL662CO AL662-CO Connector Link P.N: AL662CO Crossed From: 2221-49421 JOHN DAY Found in Section & Models : Chains/ Sprockets/ Pulleys/ Hubs > Pintle Chains, (Miscellaneous) (UNDEFINED): SEVERAL Associated Items : New Also This is An Aftermarket Product And : Pitch: 1.64"