539
Kelsey Type Master Cylinder. Alloy style for 1980-up FX-XL-FL
models complete with internals.
VT No. OEM
Type
Fits
23-1735 41754-79A Chrome 1979-84 FLH
As Above
23-0769 42453-80A Chrome 1980-83 FXWG
1979-84 FXS
As Above
GMA Master Cylinders are CNC machined from
aircraft heat treated aluminum alloy. Bore
5
/
8
which
produces pressure to work in conjunction with dual piston GMA
calipers.
VT No. Type
23-3001 Replaces Wagner 1958-79 type
23-3002 Replaces Kelsey Hayes 1979-82 type
Master Cylinder Mounting Stud replaces
42301-79 on 1979-85 FL models.
Chrome Billet Master Cylinders fea-
ture Wagner or Kelsey Hayes style
mount holes
5
/
8
" bore.
VT No. OEM
Type
Offset
Rear Master Cylinder Boots are sold each.
VT No. OEM
Fits
28-0503 41764-79 1979-84 FLH, 1978-82 FX
28-1955 41764-58 41764-70 assortment of 5 each
Master Cylinder Caps and Cover.
VT No. OEM
Fits
Chrome Cap
Black Cap
Top Gasket, 10 pk
Cap Cover
*Note: Fits over existing cap secured by set
screw.
Chrome Rear Master Cylinder Covers.
VT No. Fits
Wagner Style Master Cylinder. Drum Type for 1958-72, disc
type 1973-E79. Units are assembled with internals, includes
cap and boot.
VT No. OEM
Type
Finish
Drum
Painted
—
Drum
Chrome
Disc
Painted
—
Disc
Chrome
Rear Master Cylinder Rebuilds
VT No. OEM
Fits
23-1961 Deluxe Kit 1958-79 Big Twin
23-1717 42374-77B 1979-84 FL, 80-86 FLT
23-1720 42374-82A 1983-85 FX 4-speed
1984-86 FXST-FLST
Brake Plunger Assemblies.
VT No. # OEM
Finish Fits
23-0115 A 41770-58 Chrome 1958-69 FL
23-0116 B 42333-70 Chrome 1970-79 FL
23-0117 C 42333-79 Chrome 1979-84 FLH
23-0118 D 40923-79 Chrome 1979-81 FLT
23-0119 E 42257-72 Chrome 1972-79 FX
23-0124 E 42257-79 Chrome 1979-82 FX
23-0122 F 42330-72 Chrome 1972-82 FX Clevis only
Rear Master Cylinders
Thread Chart
OEM Rear Master Cylinders
Kelsey-Hayes. L1979-84 FL, FX; 80-85 FXWG, FLT
3/8-24 Inverted Flare
Wagner-Lockheed. 58-E79 FL, FX
3/8-24 Inverted Flare
(Girling type) 83-E87 FX, 1982-E87 FXR
3/8"-24 Inverted Flare (to caliper)
1/8" NPT (to reservoir master cylinder)
All L1987-2002 BT , TC/B, XL
3/8"-24 banjo bolt
All H-D Brake Tees
3/8"-24 Inverted Flare (brake line)
1/8 NPT (brake light switch)
