Twin Power 90-93 Big Twin Clutch Shell Replaces H-D 37707-90Fits 87 06 5 speed Big Twin models, or for upgrading earlier models, it comes with a coupler with clip and the three balls. This Part Fits: Year Make Model Submodel 1990 1993 Harley Davidson FLHS Electra Glide Sport Base 1990,1992 1993 Harley Davidson FLHTC Electra Glide Classic Base 1990 1993 Harley Davidson FLHTCU Electra Glide Ultra Classic Base 1990 Harley Davidson FLST Heritage Softail Base 1990 1993 Harley Davidson FLSTC Heritage Softail Classic