HD-OEM: 7916APart Number: 12-0577 UOM: 5 - PK Summary:Pinion shaft gear end nut fits 1991-up XL and 1993-up Big Twin models.Fitment: XL 1991-UP FXST 1993-1998 FLST 1993-1998 FLT 1993-1998 FXD 1993-1998 Country of Origin: USA