CLASSIC MINI GENUINE AP BRAKE MASTER CYLINDER DUAL LINE TANDEM GMC227 YELLOW 5B2

Classic Mini Brake Master Cylinder 1980-89 (Yellow Identity Tag)

Front to rear master is the latest model dual master cylinder, which was introduced in 1985 with a stepped bore of 17.8 to 19mm to replace any previous master cylinders from September 1978 to 1988 when the built in servo type master cylinder was introduced. 

Genuine AP Lockheed boxed and made in the UK. 

Part number for reference: GMC227 (LBBFAK001AP3P)