Check out this Quality V-Twin Chrome Wagner style master cylinder for disc brake is assembled with internals and includes cap and boot.
Master cylinder is 3/4" bore.
More Information 23-0753
OEM Harley part number:
41761-78
UOM
1 - EA
Finish
Chrome
Manufacturer
Edart
Origin
Imported
Tech Note
Suggested to use DOT 5 fluid
FITS
Harley-Davidson
FX 1973-1978
FL 1973-1978