Part Number: 37-9236 Application: 1984-1991 FXST1981-1984 FX1986-1991 FLST1984-1991 FXR1979-1991 XL Details:Chrome rear disc bolt kit without nuts. Bolts have a 3/8 X 1 6 X 1 thread size. UOM: KIT Country of Origin: USA