Part Number: 12-0515 Application: 1941-1984 FL1971-1984 FX1936-1940 EL1937-1948 UL1984-1990 FXST1986-1990 FLST1984-1990 FLT1984-1990 FXR Details:Main drive gear sprocket nut. UOM: EA Country of Origin: TAIWAN