CLASSIC MINI BRAKE MASTER CYLINDER 1980-1989 GMC227 AUSTIN MORRIS COOPER DUAL 5M1

Front to rear master is the latest model dual master cylinder, which was introduced in approx 1980 until 1988 when the built in servo type master cylinder was introduced. 

Quality reproduction master cylinder made to the same spec as the AP Lockheed. 

Part number for reference: GMC227MS