BrakeCylinder.com--Double-Bore Master Cylinders

Double-bore master cylinders are almost always combination clutch and brake master cylinders with two bores sharing a common reservoir. Click on the thumbnails for a larger view.

1960-1961 GM Truck Master Cylinder

MGA and Spridget Master Cylinders

clutch side 1-1/8"

brake side varies according to model

A very similar cylinder was used in some International trucks. See this link.

3/4" cylinders used in Midgets and Sprites with disc brakes

7/8" cylinders used in Spridgets with drum brakes and all MGA except Twin Cam and 1962 MkII Deluxe

We offer custom services for Spridgets with brake and clutch upgrades

Pictured below are some 7/8" master cylinders including one for a 1600, rebuilt and ready to install. Click on the thumbnail for a larger view.