K&N, threaded oil filter. With top nut. Chrome

50th Anniversary 2007 Bad Boy 1995–1997 Electra Glide 1983 Electra Glide Classic 1992–1998 Electra Glide Sport 1992–1994 Electra Glide Standard 1995–1998 Electra Glide Ultra Classic 1992–1998 Electra Glide Ultra Classic Special Anniversary Edition 1995 Fat Boy 1990–1998 Heritage Softail 1987–1990 Heritage Softail Classic 1988–1998 Heritage Softail Special/Nostalgia 1993–1996 Heritage Softail Springer 1997–1998 Low Rider 1992 Low Rider Convertible 1992–1993 Low Rider Custom 1992–1994 Low Rider Sport Edition (Fxrsl) 1992–1993 Road Glide 1998 Road King 1993–1998 Road King Classic 1998 Roadster 2016–2017 Seventy-Two 2012–2016 Softail 1986–1990 Softail Custom 1986–1998 Softail Springer 1988–1998 Sport 1996 Sport Glide 1992 Sportster 1975–2009 Sportster Custom 1996–2020 Sportster Custom 110th Anniversary 2013 Sportster Deluxe 1995 Sportster Hugger 1995–1996 Sportster Roadster 2018–2020 Sportster SuperLow 2018–2020 Super Glide 1992–1994 Super Low 2014–2017 Tour Glide 1980–1983 Tour Glide Classic 1980–1992 Tour Glide Ultra Classic 1992–1996