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91
Final Drive Belts by Gates, Dayco or Goodyear.
Big Twin, 1.50" Wide
Goodyear Dayco Gates OEM
Tooth/Model
—
20-0531 20-0441 40001-85 136T 1984-96 FLT-FLHT
20-0723 20-0532 20-0440 40023-86 132T 1986-92 & 94 FLST-FXST
—
20-0533 20-0120 40003-79 126T 1980-86 FXB-FXSB-FXWG-FLH
—
20-0534 20-0478 40015-90 133T 1991-99 Dyna
—
20-0576 20-0479 40012-90 128T 1993 All FXST-FLST
20-0724 20-0577 20-0501 40017-94 130T 1995-99 All FXST
—
127T FXST Ratio Change
—
135T BT Ratio Change
—
20-0667 20-0579 40024-97 139T 1997-03 All FLT
Big Twin, 1.125" Wide
—
20-0582 40307-00 135T 2000-05 FXST-FLST, 2000-up FLST
—
—
20-0586 40015-00 133T 2000-06 FXD
—
—
20-0642 40046-07 131T 2007-up FXD
—
20-0668 20-0638 40024-04 139T 2004-up FLT
FXST 13/16" Wide
—
—
20-0786 40655-06 135T 2006-up FXST
Rear Belts
Narrow Belts.
Dayco Gates Width
Tooth
20-0578 20-0456 1.125" 125T
20-0575 20-0060 1.125" 128T
1.125" 133T
—
20-0688 1.125" 137T
1.125" 136T
1.0"
136T
Polished Pulley
Spacers are threaded
to adapt pulley to hub,
this offers extra sup-
port as it uses 2 sets
of bolts to mount.
2000-up 1980-99 Thickness
—
20-0129 11/16"
15/16"
—
20-0133 1.25"
2000-up Rear Pulley-Disc Spacers, sold
as each.
VT No. Thick
20-0346 1/16"
20-0347 .125
20-0343 .200
20-0344 .250
20-0345 .300
20-0142 .500
Pulley Spacers provide
offset when required,
with
7
/
16
" bolt holes. Each
disc measures 2
1
/
16
" I.D.
with 4
5
/
16
" O.D. For 1980-
99.
VT No. Thick Material
1
/
16
" Steel
3
/
16
" Steel
3
/
16
" Billet
1
/
4
" Steel
5
/
16
" Steel
3
/
8
" Billet
1
/
2
" Billet
5
/
8
" Billet
Billet Pulley/Disc
Spacers fit 2000-up
front or rear hubs.
20-3090 requires
bearing 12-0592 for
extra axle support.
VT No. Thick
20-3085 .500"
20-3087 .750"
20-3086 .937"
Pulley Adapter Ring will
adapt the 2000-up 1.125"
wide types to 1999 and ear-
lier wheel hubs, which will
allow use of a 170 mm wide
tire on 1999 and earlier
applications.
VT No. 20-0342
VT No. Thick
20-0143 .750
20-0144 15/16"
20-0146 1 3/8"
20-0147 1.5"
Pulley Adapter Flange. 20-0641 allows
use of late model 1 1/8" wide pulley on
early wheel 20-0640 allows the use of
any combination of early or late wheel
pulley or sprocket combination.
VT No. Thick Piece
20-0641 3/8" 3
20-0640 1/4" 2
Chrome Big Twin Rear Axle
Reinforcement Collars fit Softail models,
and include bolts and bearings to act as
outboard bearing support for stock or long
axles or wide conversions.
VT No. Wheel Type
44-0145 Cast
44-0146 Laced
Pulley Spacers
VT No. Thick
20-3088 1.10"
20-3089 1.25"
20-3090 1.375"