Designed to perform under extreme heat conditions Carbon fiber plates have high static and dynamic coefficient of friction for smooth positive engagement and release Kit includes 7 plates H-D# 37985-52 Designed to perform under extreme heat conditions. Carbon fiber plates have high static and dynamic coefficient of friction for smooth positive engagement and release. Kit includes 7 plates. H-D# 37985-52 This item fits the following vehicle applications: for Harley Davidson FLFB Electra Glide 1968-1969 for Harley Davidson FLH Electra Glide 1970-1975 for Harley Davidson FLHB Electra Glide 1968-1969 for Harley Davidson FLHF 1970-1972 for Harley Davidson FLHFB Electra Glide 1968-1969 for Harley Davidson FX Super Glide 1971-1975 for Harley Davidson FXE Super Glide 1974-1975 for Harley Davidson XLCH 1970 for Harley Davidson XLH900 1970