This is a A-AH91784 Sprocket, Drive, 14 Tooth / 60 Chain PN: AH91784Main Description As Following : A-AH91784 Sprocket, Drive; 14 Tooth / 60 Chain P.N: AH91784 Dim A (1): 14 ToothDim B (2): 3.483" O.D.Dim C (3): 1.130" Hex Hub Crossed From: CV103844 VAPORMATIC Found in Section & Models : Tractor Parts Associated Items : New Also This is An Aftermarket Product And : Dim A (1): 14 Tooth Dim B (2): 3.483" O.D. Dim C (3): 1.130" Hex Hub