Mini Metro Turbo Vented Brake conversion kit for all Morris or Austin Mini Coopers. The brake conversion kit is for use on existing caliper type hubs as used on Cooper S, 1275GT and all Minis from 1984 on. Requires 12" or 13" wheels to fit. The disc brake calipers are new reconditioned units as the factory stopped fitting them 10 years ago. Also see kit C-AJJ4029A for the full kit including front disc brake hubs, roller wheel bearings and driveshaft cv joints when changing from early Mini drum brakes.