Check out this Quality V-Twin Chrome rear master cylinder assembly. This has a bore size of 5/8" as a replacement for forward control kits.

Chrome rear master cylinder assembly features 2-1/4" spacing between mounting bolts, a 1/8" NPT brake line fitting, with a milled body design. This master cylinder measures 3-1/2" long x 1-1/4" wide x 3" tall. Master cylinder has 1 3/8" thru hole and 1 5/16" tapped hole for mounting. There is 1 threaded hole located on the side.

More Information 23-3028

UOM 1 - EA

Measurements

Center to Center: 2-1/4"

Finish Chrome

Manufacturer V-Twin

Origin Imported

Tech Note

#23-0860 rear master cylinder rebuild kit Replacement #23-1988 brake hose fitting

Suggested to use with #22-0755 forward control kit Suggested to use with #22-0756 forward control kit Suggested to use with #22-0793 forward control kit

Suggested to use with #23-1988 Front Brake Hose Fitting.

FITS

Custom application for forward control