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HD Fork Tube Lengths







Chart of stock fork tube lengths for your reference:


49 mm Tubes
  • 2014 FLT (All)  580mm/22.834" Measured; PN#: 4550113
  • 2006~Current Details : FXD GM Dyna SG, FXDC GV SF Custom, 07~08,  FXDB/I GX 06~08 Street Bob, FXD35 GW (EFI) SG, FXDCI Super Glide Custom, FXDL & /I- GN  Dyna Low Rider (06~08), FXDWG & /I - GP (06 & 08), FXDWG GP 105 Anv. (08)
    • Stock  25.5”/647mm Measured; 46605-06
  • 2006~Current: FXDWGI Dyna Wide Glide
    • Stock 27.913"/707mm Measured; 46617-06
41 mm Tubes
  • 84-96 FLT, FLHT, FLHR 41mm
  • Stock 20 7/8" ; 45827-84
  • 1997-up FLT, FLHT, FLHR 41mm
  • Stock 20 7/8" ; 45890-97
  • 1984-86 FXWG, 1984-99 FXST, 1992-99 FXDWG 41mmStock
  • 24.291"/617mm Measured; 45417-84
  • 2000-up FXST, FXDWG 41mm
  • Stock 24 1/2" ; 45417-00
  • 2000-up FLST, 41mm
  • Stock 22 7/8 ; 45930-00
39mm Tubes
  • 1988-up XL models 883-1200,1987-94 FXLR, 1988-94 FXR,FXRS, 39mm (Except Hugger)
  • Stock 23 3/8" ; 45381-87
  • 1988-94 FXRT, 1987-94 FXRS-SP. 39mm.
  • Stock 25 3/8" ; 45393-87
  • 1984-E86 XL, 1984-85 FXE-FXEF, 1984-86 FXR+-XRSFXRDG- FXRC, except sport pkg. 35mm.
  • Stock 23 1/4", ; 45407-83
35mm Tubes

  • XL1986-87 XL, 1987 FXR-FXRS models with showa fork except FXRT-FXRD. 35mm.
  • Stock 23 1/4" ; 45407-86
  • 1983-86 FXRT-FXRD, 1984-85 FXSB, 1985-86 FXRS with sport package. 35mm.
  • Stock 25 1/2", ; 45392-83












 


It can be difficult to identify the front end assemblies
because they may not always be original equipment. Before installing, compare
old and new tubes. Be sure the stock top plugs fit into the new fork tubes. To
avoid scratching the chrome, we suggest that the tubes be lightly rubbed with
oil before installing into fork legs. Be absolutely sure you have the right
tubes before you install them.
 
A different size fork tubes is needed to work on some FLT models 2002-2005 use cartridge damper on the left side.
Some models are using 2 cartridge dampers (1 in each tube).

More info following, always updating for you.