HD-OEM: 42803-04Part Number: 23-1788 UOM: 1 - KIT Summary:Rebuild kit rebuilds 9/16" bore front master cylinder.Fitment: FLT 2004-2006 XL 2004-2006 FXST 2004-2006 FLST 2004-2006 FXD 2004-2006 Country of Origin: Imported