Kits with just screws or kits with both screws and nuts. All kits are for 5-hole discs. When the wheel is not specified as wire or cast the screws fit both. The 1973-1986 FX model family includes 1971-1978 FX, 1980-1982 FXB, 1983 FXDG, 1974-1984 FXE, 1979-1986 FXEF, 1977-1982 FXS, 1987-1986 FXSB and 1980-1986 FXWG.