Just so others don't have to go looking it up to see what it fits
HD Part# 52918-98B
A custom-look low and slammed seat, with a bucket contour for added support. Features embroidered H-D logo and an opening that receives a matching Rider Backrest P/N 52900-98. Includes passenger grab strap. Seat width 15.7"; Passenger Pillion width 6.5".
Fits '97-'07 Road King® models (except FLHRS) and FLHX models. Also fits '97-'07 Electra Glide® and Road Glide® models equipped Fuel Tank Console P/N 71288-03A or Trim Piece P/N 52447-96. Seat width 15.7"; passenger pillion width 6.5".