"For FLT, FLTC, FLTCU, FLHT, FLHTC, FLHTCU 1984-later, FLHS, FLHR with or without air forks, 4 inch O.S. Also FLST, FLSTC, FLSTF, FLSTN 2 inch O.S. 1986-1999. All fork slider tubes are centerless ground, seamless aircraft tubing made and chrome plated in the U.S.A. All fork tubes are sold in pairs and include spring spacers. Tubes measure 24 7/8"". "