Can be used to replace stock "compliance fitting" manifold on 84-89 and stock rigid-mount manifold from 90-99. Requires the use of S&S intake seals and flanges (sold separately). For use with stock 5.5550" length cylinders. Use with stock or S&S cylinder heads. Made in the USA. Fitments: Harley Davidson FLHR Road King 1994 - 1998, Harley Davidson FLHR Road King EFI 1996 - 1998, Harley Davidson FLHRC Road King Classic EFI 1998, Harley Davidson FLHS Electra Glide Sport 1987 - 1993, Harley Davidson FLHT Electra Glide Standard 1985 - 1998, Harley Davidson FLHTC Electra Glide Classic 1984 - 1998, Harley Davidson FLHTCI Electra Glide Classic EFI 1995 - 1998, Harley Davidson FLHTCU Electra Glide Ultra Classic 1989 - 1998, Harley Davidson FLHTCUI Electra Glide Ultra Classic EFI 1995 - 1998, Harley Davidson FLST Heritage Softail 1986 - 1990, Harley Davidson FLSTC Softail Heritage Classic 1987 - 1999, Harley Davidson FLSTF Softail Fat Boy 1990 - 1999, Harley Davidson FLSTN Heritage Softail Nostalgia 1993, Harley Davidson FLSTN Heritage Softail Special 1994 - 1996, Harley Davidson FLSTS Heritage Springer 1997 - 1999, Harley Davidson FLTC Tour Glide Classic 1984 - 1994, Harley Davidson FLTCU Tour Glide Ultra Classic 1989 - 1996, Harley Davidson FLTCU Tour Glide Ultra Classic EFI 1996, Harley Davidson FLTR Road Glide 1998, Harley Davidson FLTR Road Glide EFI 1998, Harley Davidson FXD Super Glide 1995 - 1998, Harley Davidson FXDB Dyna Daytona 1992, Harley Davidson FXDC Dyna Glide Custom 1992, Harley Davidson FXDL Low Rider 1993 - 1998, Harley Davidson FXDS-CONV Dyna Convertible 1995 - 1998, Harley Davidson FXDWG Wide Glide 1993 - 1998, Harley Davidson FXEF Fat Bob 1985, Harley Davidson FXLR Softail Low Rider Custom 1987 - 1994, Harley Davidson FXR Super Glide 1986 - 1994, Harley Davidson FXR2 1999, Harley Davidson FXR3 1999, Harley Davidson FXR4 2000