Motor sprocket nut for belt-drive conversions and/or eliminating compensating sprockets. Made in the USA. Replaces OEM #24003-55This item fits the following vehicle applications:compatible with Harley Davidson FL 1955-1964compatible with Harley Davidson FLF 1955-1964compatible with Harley Davidson FLFB Electra Glide 1965-1969compatible with Harley Davidson FLH Duo-Glide 1958-1964compatible with Harley Davidson FLH Electra Glide 1970-1984compatible with Harley Davidson FLH Hydra-Glide 1955-1957compatible with Harley Davidson FLHB Electra Glide 1965-1969compatible with Harley Davidson FLHC Electra Glide Classic 1979-1981compatible with Harley Davidson FLHF 1970-1972compatible with Harley Davidson FLHF 1955-1964compatible with Harley Davidson FLHFB Electra Glide 1965-1969compatible with Harley Davidson FLHS Electra Glide Sport 1984compatible with Harley Davidson FLHS Electra Glide Sport 1980-1981compatible with Harley Davidson FLHX Electra Glide Special 1984compatible with Harley Davidson FLT Tour Glide 1980-1983compatible with Harley Davidson FLTC Tour Glide Classic 1981-1983compatible with Harley Davidson FX Super Glide 1971-1978compatible with Harley Davidson FXB Sturgis 1980-1982compatible with Harley Davidson FXE Super Glide 1981-1984compatible with Harley Davidson FXE Super Glide 1974-1978compatible with Harley Davidson FXEF Fat Bob 1979-1981compatible with Harley Davidson FXR Super Glide II 1982-1983compatible with Harley Davidson FXRS Low Glide 1982-1983compatible with Harley Davidson FXRT Sport Glide 1983compatible with Harley Davidson FXS Low Rider 1977-1982compatible with Harley Davidson FXSB Low Rider - Belt 1983-1984compatible with Harley Davidson FXWG Wide Glide 1980-1984