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Front Brake Kits

KIT

APPLICATION

CALIPER

ROTOR

FLOATING
ROTOR

Handlebar
Master Cylinder

GMA FLH10

FLH 1973 to early 1984
Wideglide front ends
Will not fit models w/dished front rotor

A

R10F - 10"

N/A

HMCSB 5/8-2 (73-81)
HMCSB 5/8-8 (82-84)

  GMA 200E

1974 to 1977 FX & Sportsters
Will not fit 21" wire wheels

B

R74E - 11.5"

N/A

HMCSB 5/8-2

GMA 200F

All models late 1984 to present
Will not fit Narrowglide 21" wire wheel

B
one piece

R-84 - 11.5"

R84F

HMC 5/8 or OEM
HMCSB 5/8-8 (84-95)
HMCSB 5/8-9 (96-present)

Dual Disc
GMA 200FDD

All models late 1984 to present
Will not fit Narrowglide 21" wire wheel

B
one piece

R-84 - 11.5"

R84FDD

HMC 3/4 or OEM
HMCSB 3/4-8 (84-95)
HMCSB 3/4-9 (96-present)

  GMA 200P

All Paughco Springers
(Will not fit Paughco fender 182A)

B

R-84R - 11.5"

R84FR

For correct fit, see Handlebar
Master Cylinder table

GMA 200S

1988 to present FXSTS Factory Springers
Will not fit FLSTS (Old Boy)

B

R-84R - 11.5"

R84FR

HMC 5/8 or OEM
HMCSB 5/8-8 (88-95)
HMCSB 5/8-9 (96-present)

Dual Disc
GMA 200DD

1949 to 1984 FL, FLH
for custom builders, converts Wideglide
to dual disc, uses 16" or 19" wheel

B

1 ea.
R10R - 10"
R10F - 10"

N/A

For correct fit, see Handelbar
Master Cylinder table

Dual Disc
GMA 400

Dual Disc 1977 to 1983 FX, FXWG,
and Sportsters
Will not fit Narrowglide 21" wheel

F

R77DDQ - 10" (for 4-piston)
R77DD - 10" (use w/OEM calipers)

N/A

OEM or
HMCSB 3/4-2 (77-81)
HMCSB 3/4-8 (82-83)

GMA 400F

All models, late 1984 to present
Will not fit Narrowglide 21" wheel

F
one piece

R84Q - 11.5"

R84FQ

HMC 5/8 or OEM
HMCSB 5/8-8 (84-95)
HMCSB 5/8-9 (96-present)

Dual Disc
GMA 400FDD

All models late 1984 to present
Will not fit Narrowglide 21" wheel

F
one piece

R84DDQ - 11.5"

R84FDDQ

HMC 3/4 or OEM
HMCSB 3/4-8 (84-95)
HMCSB 3/4-9 (96-present)
All models 2000 and up
F
one piece
HMC 5/8 or OEM
HMCSB 5/8-9
(96-P)
Dual Disc GMA 400 MDD
All models 2000 and up
F
one piece
HMC 3/4 or OEM
HMCSB 3/4-9
(96P)

Note: All single disc brake kits require 5/8" bore master cylinder All dual disc brake kits require 3/4" bore master cylinder OEM / All 1972-1984 OEM master cylinders are 3/4" bore for single and dual disc All 1984 & up use OEM 5/8" bore for single disc All 1984 & up use OEM 3/4" bore for dual disc.

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Rear Brake Kits

KIT

APPLICATION

Caliper

ROTOR

2-Piece Rotor

Master Cylinder

GMA 100

All 4-speed Big Twins - 1973-1980

A

R10R - 10"

N/A

MC1-W

GMA 115

All 4-speed Big Twins, FLH, FX FXE, 1981-1984
Will not fit FLT/FXR models, 84 FXWG or 84 FXE

A

R79 - 11.5" **

R79-2**

MC1-K

GMA R10

Rigid Frame Harley Davidson 1936 & up
and aftermarket

A

R10R - 10"

N/A

MC1-K or MC1-W
refer to master cylinder description

GMA 103SA

Late 1985 to 1994 FXR
with rubber mounted motor

A

R79 - 11.5"**

R79-2**

N/A - uses OEM

GMA 201ST

1984 to 1986 Softail

B

R79 - 11.5"

R79-2

N/A - Uses OEM

GMA 202ST

1987 to present Softail

B

R79 - 11.5"**

R79-2
**

N/A - Uses OEM

GMA 203

1979 to 1981 Sportsters

B

R79SPT - 11.5"**

R79-2XL
**

MC1-K

GMA 204

1982 to early 1987 Sportsters

B

R79SPT - 11.5"**

R79-2XL
**

MC1-K

GMA 205

Late 1987 to present Sportsters

B

R79SPT - 11.5"**

R79-2XL
**

N/A - Uses OEM

GMA 400DG

1992 to present DynaGlides
1991 Sturgis & Daytona models

F

R79Q - 11.5"

R79-2Q

N/A - Uses OEM

GMA R10Q

Rigid Frame Harley Davidson
1936 & up and aftermarket (4-piston design)

F

R10RQ - 10"

N/A

MC1-K or MC1-W
refer to master cylinder description

GMA 402ST

1987 to present Softail
(4-piston design)

F

R79Q - 11.5"**

R79-2Q
**

N/A Uses OEM
2000 and up Softail
F
one piece
R79FM
will not fit deuce
N/A Uses OEM

GMA 403SA

1985 to 1994 FXR with rubber mounted motor (4-piston design)

F

R79Q - 11.5"**

R79-2Q
**

N/A Uses OEM

** Uses 92 & later mounting bolts Note: All pre-1984 Harley Davidsons use 3/4" master cylinder bore and need to be changed to 5/8" All 1984 to present Harley Davidsons use 5/8" master cylinder bore.

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Brake Pulleys

Part # Application
GMA BP-ST Fits all Softail models 1987 to present
GMA BP-FXR Fits all belt drive FXR's
GMA BP-R10 Fits all aftermarket Big Twin rigid frames designed for belt drive
GMA BP-DG Fits all Dynaglides 1992 to present & 1991 Sturgis and Daytona models
GMA BP-STM Fits all Softail models 2000 and later
GMA BP-STR Right side drive pulley with 1" axle.


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Brake Reservoir

Part# Application
GMA BR-1 Replaces OEM #41800-81A
Fits 1982 to 1984 FXR / 1984 to 1994 FLT / 1983 to 1984 FXSB / 1983 FLHS-80

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Rear Master Cylinders

Part # Application

Bore Size
GMA MC1-W For 1973 to 1979 FX & FXE, 1958 to 1979 FL models using Wagner type master cylinders

5/8"
GMA MC1-K 1980 to 1983 FX & FXE / 1980 to 1982 FXWG / 1979 to 1982 FL / 1980 to 1981 XL models using Kelsey Hayes type master cylinder

5/8"

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Front Handlebar Master Cylinder

Part # Application Bore Size / Usage
GMA HMCSB 5/8-2
GMA HMCSB 3/4-2		 Handlebar Master Cylinder with switch housing
Fits all models 1972 to 1981		 5/8" single disc
3/4" dual disc
GMA HMCSB 5/8-8
GMA HMCSB 3/4-8		 Handlebar Master Cylinder with switch housing
Fits all models 1982 to 1995		 5/8" single disc
3/4" dual disc
GMA HMCSB 5/8-9
GMA HMCSB 3/4-9		 Handlebar Master Cylinder with switch housing**
Fits all models 1996 to present		 5/8" single disc
3/4" dual disc
GMA HMC 5/8
GMA HMC 3/4		 Universal Handlebar Master Cylinder**
Fits all models		 5/8" single disc
3/4" dual disc
** Will not work on models with stereo controls

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Clutch Assemblies

Part # Application Used With
GMA CML-27SB Clutch Mount, Lever and Switch Housing
Fits all models with switches 1972 to 1981 (except 1972 FX)		 HMCSB 5/8-2 or
HMCSB 3/4-2
GMA CML-28SB Clutch Mount, Lever and Switch Housing**
Fits all models with switches 1982 to 1987		 HMCSB 5/8-2 or
HMCSB 3/4-2
GMA CML-88SB Clutch Mount, Lever and Switch Housing**
Fits all models with switches 1988 to 1995		 HMCSB 5/8-8 or
HMCSB 3/4-8
GMA CML-89SB Clutch Mount, Lever and Switch Housing**
Fits all models with switches 1996 & up		 HMCSB 5/8-9 or
HMCSB 3/4-9
GMA CML-2U Clutch Mount and Lever / Universal style
Fits all models 1972 to 1987		 HMC 5/8 or
HMC 3/4
GMA CML-8U Clutch Mount and Lever / Universal style
Fits all models 1988 to present		 HMC 5/8 or
HMC 3/4
** Will not work on models with stereo controls

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Replacement Clutch Levers & Brake Lever

Part # Application Used With
GMA HBCL-2 Replacement clutch lever 1972 to 1987
(If used as replacement for OEM, fits 1982 to 1987)		 CML-27SB or
CML-28SB or
CML-2U
GMA HBCL-8 Replacement clutch lever 1988 to present CML-88SB or
CML-89SB or
CML-8U
GMA HBBL Replacement brake lever All handlebar master cylinders

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6-Piston Combos

Part # Application Master Cylinder
6R320 Single disc, 6-piston caliper/rotor combination. Fits all models 1984 to 1999

HMC 5/8 or OEM
HMCSB 5/8-8 (84 to 95)
HMCSB 5/8-9 (96 to present)
6R320DD Dual disc, 6-piston caliper/rotor combination. Fits all models 1984 to 1999

HMC 3/4 or OEM
HMCSB 3/4-8 (84 to 95)
HMCSB 3/4-9 (96 to present)
6STR320 6-piston rear caliper/rotor combination. Fits all Softail models 1987-1999 N/A uses OEM

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Fork Brace (No Wide Glide)

Part # Application
GMA FB39MM 1987 and up RXLR, FXRS-SP/ 1988 and up XL, FXR (except FXRT)
also fits Dynaglides except FXDWG

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© 2008. GMA Engineering.
The words Harley-Davidson or HD are not intended to imply that any of these products are HD original equipment or are sanctioned by the Harley-Davidson company. The words are only used to identify products and models.

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