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245
BIG TWIN
Chrome Brake Caliper Inserts are easily installed with double 
face tape supplied. Sold each.
VT No. 
Dia  Fits 
   Type
37-8968  1.80”  1987-99   Hayes Rear
37-8969  1.47”  1984-99   Front
 
      1982-E87  Girling Rear
37-8970  1.40”  1977-83   Dual Disc Front
 
      1972-84   Banana Rear
 
      1977-81   Rear
42-0526
42-0316
42-0094
42-0014
Chrome Rear Master Cylinder Cover.
VT No.  Fits
42-0316  
1979-84 FLH, 1986-99 FLST
42-0526*  1982-94 FXR
42-0014*  1982-94 FXR
42-0094  1982-86 FXR
*Note: Remote reservoir cover.
Master Cylinder 
Cover
37-8969
37-8968
37-8970
Rear Master Cylinder Chrome Covers.
VT No. 
Fits
23-0768 
1999-04 FLT, 2000-05 FXST
23-0770 
1999-04 FLT
42-0973 
2005-07 FLT, 2006-up FXST
23-9190 1982-96
23-0968 
2008-up Rear, FLT
23-0770
42-0973
23-0768
23-9190
23-0968
23-0781
24-0927
Milled
23-0781  Billet Milled  1996-05
 
With Gasket
24-0927  1985-95  
Front
*Note: Includes top, gasket, view plug and screws.
Rear GMA Billet Aluminum Brake Calipers are machined from billet 
aluminum and clear anodized. Feature dual pistons which are internal-
ly connected, brake pads and brackets, when provided. Brake calipers 
include spacers and hardware necessary for installation. Hoses and 
discs not included.
VT No.    GMA 
Fits
23-4502 R10 
Rigid Frames to fit 10” disc. 
 
  
Use ⁵⁄₈” bore master cylinder
23-4505 201ST 
1984-86 FXST-FXWG Kit. 
 
   
Use stock type master cylinder
23-1792 402STC  As Above Chrome
23-4518 400DG 
1992-99 FXDG. Use stock type master cylinder 
23-9255 402STM  2000-05 FXST 4 piston. Use stock type
 
   
 master cylinder
Components
23-4521 
PA4 
GMA Caliper Piston, pair fits 23-4518, 23-9255
23-4509 
PA1 
Caliper Piston, pair, fits 23-4502, 23-4507
23-4520 
PA2 
GMA Caliper Piston, pair, fits 23-4506, 23-4505
23-4510 
RB1 
Caliper O-Ring Seal Kit fits 23-4502, 23-4507,  
 
 
 
   
23-4506, 23-4505
23-4522 
RB-4 
Caliper O-Ring Seal Kit fits 23-4518, 23-9255
23-4512 
A-Pad 
SBS Brake Pad Set fits Calipers: 23-4502, 23-4507
23-4514 
B-Pad 
SBS Brake Pad Set fits Calipers: 23-4506, 23-4505
Rear GMA 11.5” Rotor is cast iron with aluminum 
center. Note: Rotor should not be polished or cleaned. 
Rear discs are two piece design non-floating. 
VT No.  Fits 
 
 
Mt. Bolts 
23-9938  1992-99 FXST-FXR 
4 Piston 
37-9237
23-4524
23-9255 
23-4518
23-4502
23-4505
23-0779
Front Master Cylinder Cover.
VT No.  OEM 
Years 
Finish
23-9187  45004-85  1985-95 Smooth
24-0629   
     
Eagle Spirit
23-0794  VT 1985-95
23-0779* 45004-96 1996-05
23-0782  Billet  Smooth 1996-05
24-0604  45004-96 1996-05
24-1279 45078-96 
1996-05
23-0969      — 
2008-up FLT Brake
26-0179  46424-05A  2005-07 FLT,
 
 
2006-14 FXST
*Note: Includes top, gasket, view plug and screws.
23-0782 
24-1279
24-0604
23-0969
23-0794
26-0179
23-9187
24-0629