Twin Power 89-91 Big Twin Starter Clutch for 1.2 KW Starter Replaces H-D 31544-90Twin Power 89 91 Big Twin Starter Clutch for 1. 2 KW Starter Replaces H D 31544 90 This Part Fits: Year Make Model Submodel 1989 1991 Harley Davidson FLHS Electra Glide Sport Base 1989 1990 Harley Davidson FLHTC Electra Glide Classic Base 1989 1991 Harley Davidson FLHTCU Electra Glide Ultra Classic Base 1989 1990 Harley Davidson FLST Heritage Softail Base 1989 1991 Harley Davidson FLSTC Heritage Softail Classic Base 1990 1991 Harley Davidson FLSTF Fat