HD-OEM: 40392-70Part Number: 12-0506 UOM: 1 - EA Summary:Compensator engine sprocket nut.Fitment: FL 1970-1984 FX 1971-1984 FXST 1984-1990 FLST 1986-1990 FLT 1984-1990 FXR 1984-1990 Country of Origin: Imported