P 204304404 master brake cylinder single circuit brake system 19mm piston diameter. Suitable for

all models to year of construction 1977, which have in front disc brake + rear drum brake. Without connection for stop light switche. Brake line connector 3/8 " 24UNF. The connections are vertical to the flange connection. The flange has 7,5mm bore diameter. 50mm bore distance in the flange. Made in Europe.