HD-OEM: 24022-90Part Number: 12-0512 UOM: 1 - EA Summary:Pinion shaft gear end nut fits 1990-1992 Big Twin models.Fitment: FXST 1990-1992 FLST 1990-1992 FLT 1990-1992 FXR 1990-1992 FXD 1991-1992 Country of Origin: USA