Lowboy fork lowering kits
Progressively wound springs deliver a compliant ride, yet resist bottoming.
Kit includes components to lower bike 1” (FLT/FLHT) or 2” (Others).
Requires disassembly of forks.
Kits for most Harley models from early to current.
Come with two rebound springs and two 30.5mm o.d. progressively wound
fork springs plus instructions.
C01 - Burly Bar Clamp B30-0000CH will not work on FLSTC model
C02 - Burly Bar Clamp B30-0000CH will not work on FLSTF model
C03 - Burly Bar Clamp B30-0000CH will not work on FLSTN model
C04 - Burly Bar Clamp B30-0000CH will not work on FXSTC model
C05 - Burly Bar Clamp B30-0000CH will not work on FXSTD model
C06 - Burly Bar Clamp B30-0000CH will not work on XLH883C model
C07 - Burly Bar Clamp B30-0000CH will not work on XL883C model
C08 - Burly Bar Clamp B30-0000CH will not work on XLH1200C model
C09 - Burly Bar Clamp B30-0000CH will not work on XL1200C model
C10 - Burly Bar Clamp B30-0000CH will not work on XL1200N model
C12 - XL883C and XL1200C can not use any handle bars with a diameter over 1” – except the Burly Drag Bars that come
with a built-in riser, but these will require relocation of the stock gauge and warning lights.
C13 - The listed control extension kits are for SINGLE FRONT DISC applications only.
C14 - The listed control extension kits are intended for use with standard 2" risers.
C15 - Control extension kit for NON-ABS models only.
C16 - Burly Bar Clamp B30-0000CH will not work on XL883L model
C17 - Burly Bar Clamp B30-0000CH will not work on XL883N model
C18 - Stock riser/clamp diameter on this bike is 1.25” and MUST be changed to a 1.00” diameter riser/clamp set to install
Burly Brand Handlebars (except bars with integral risers).
C19 - Stock triple-clamp on this bike does not allow for risers to be installed and MUST be changed to one that does to
install Burly Brand Drag-bars with integral risers.
C20 - Burly B12-6000B/C Clubman Bars not for use on 883C or 1200C models
Fork preload adjusters
High performance suspension preload adjuster for 88-Up Sportsters, 91-05
Dyna (39mm forks) and 06-Up Dyna models (49mm forks).
Easily tune your front suspension to suit your weight and riding style.
Simple installation (replaces stock fork cap) and 20mm of adjustment range via
Black or machined aluminum finish
88-Up Sportsters, 91-05 Dynas (39mm)
51-283000 (39mm) Clear Ano Adjusters
51-283000B (39mm) Black Adjusters
06-Up Dynas (49mm)
51-283001 (49mm) Clear Ano Adjusters
51-283001B (49mm) Black Adjusters
C21 - XL1200X "48" requires foot peg clevis modification to install B13-1000 Burly Brand foot pegs.
C22 - XL1200C "Custom" requires foot peg clevis modification to install B13-1000 Burly Brand foot pegs.
C23 - XL1200V "72" requires foot peg clevis modification to install B13-1000 Burly Brand foot pegs.
C24 - The installation of B12-6000B/C handlebars may require the relocation or modification of turn signals and/or
mirrors for clearance purposes.
C25 - XL883L requires foot peg clevis modification to install B13-1000 Burly Brand foot pegs.
C26 - Clubman Bar will not fit on XL1200X Forty Eight model
F01 - B28-100 kit shortens FLST front ends 1" only.
F02 - B28-115 kit shortens forks 1.50"
F03 - Do not install front lowering kit on XL883L or XL1200N models.
F04 - 39mm forks use front lowering kit number B28-105, and 35mm fork use kit number B28-110.
F05 - Do not install front lowering kit on XLH1200S or XL1200S "Sport" models.
R01 - Rear Adjustable kit allows +1/2" to -2" lower. Burly Brand recommends a maximum drop of 1-1/4"
R02 - Does not lower the rear a full 2" inches on any Softail models using Harley Davidson p/n 54549-04 factory lowered
R06 - Do not install rear lowering blocks on Sport, Deluxe, Custom, Hugger, or Low models (including "N" model).
R07 - Does not fit early 1989 models with clevis type shock mount.
R08 - Do not install rear lowering kit B28-277 on FXRT, FXRP, or models with OEM saddle bags.
R09 - "Slammer Kit" includes all parts needed to lower front & rear of the Motorcycle. Side stand modification may be
R10 - "Slammer Kit" not for use on 1200S SPORT models.
S01 - Cafe Tail Section requires removal of fender, supporting struts and relocation of taillight and signals
Model Year notes
FLHR 14-15 51-28106
FLHR 97-13 51-28100 0
FLHRC 17-18 51-28107
FLHT 06-13 51-28100 0
FLHT 78-01 51-28100 R07
FLHT 2014 51-28106
FLHTCU 2015 51-28106
FLHTCU 17-18 51-28107
FLHTK 15-16 51-28106
FLHTK 17-18 51-28107
FLHTKL 17-18 51-28107
FLHTKSE 17-18 51-28107
FLHX 06-13 51-28100 0
FLHX 14-15 51-28106
FLHX 17-18 51-28107
FLHXS 17-18 51-28107
FLHXSE 17-18 51-28107
FLST (non-Springer) 86-17 51-28100 C01, C02, C03, F01,
R01, R02, C14, C15
FLSTS 97-03 51-28115 0
FLSTSB 09-11 51-28115 R02,R01
Model Year notes
FLSTSC 05-07 51-28115 0
FLT 06-13 51-28100 0
FLT 78-01 51-28100 R07
FLTRU 17-18 51-28107
FLTRUSE 2017 51-28107
FLTRX 17-18 51-28107
FLTRXS 17-18 51-28107
FXD 09-10 51-28102 C14
FXD 95-05 51-28105 C14
FXD35 2006 51-28102 C14
FXD/B/C 91-92 51-28105 0
FXDB 06-17 51-28102 C14,C19,C15
FXDC 06-14 51-28102 C14,C15
FXDC 95-05 51-28105 C14
FXDF 08-17 51-28102 0
FXDL 06-17 51-28102 C14
FXDL 93-05 51-28105 C14
FXDS-CONV. 94-00 51-28105 0
FXDWG 06-08 51-28102 C14,C18
FXDWG 10-17 51-28102 C14,C18,C15
FXDWG 93-05 51-28100 C14
Model Year notes
FXDX 1999 51-28105 0
FXE/FXEF 84-85 51-28110 0
FXLR 87-94 51-28105 0
FXR 84-87 51-28110 R08,F04
FXR 87-94 51-28105 R08,F04
FXRD 83-86 51-28110 0
FXRS Sport 85-86 51-28110 0
FXRT 83-87 51-28110 0
FXSB 84-85 51-28110 0
FXST (non-Springer) 84-15 51-28100 R01, R02, C04, C05,
FXSTS 97-06 51-28115 F02
FXSTSB 1997 51-28115 0
FXWG 80-86 51-28100 0
XL 84-87 51-28110 R06,S01,C24
XL 88-15 51-28105 F03, R06, R0, R09,
R10, C06, C07, C08,
C09, C10, C11, F05,
C12, C13, C16, C17,
C20, C22, C21, C23,
S01, C24, C25