Part Number: 18-8319 UOM: 1 - EA Summary:Clutch drum starter ring gear is 102 tooth bolt-on type. Replacement ring gear for stock clutch drums. Bolt-on ring gear includes screws. Fitment: FXST 1998-2006 FLST 1998-2006 FLT 1998-2006 FXD 1998-2006 Tech. Notes:Install with the bevel side toward the starter.Measurements: Thickness: 170mm Country of Origin: Imported