HD-OEM: 23985-54Part Number: 12-0202 UOM: 10 - PK Summary:Pinion gear shaft key is gear side, semi-circle style.Fitment: FL 1954-1984 FX 1971-1984 FXST 1984-1990 FLST 1986-1990 FXR 1982-1990 FLT 1979-1990 Country of Origin: USA