Rare Marzocchi shock absorbers, model Strada AG2-4 for the /6 and /7 models, as they used to be used in racing. Originate from a BMW R 90 S in racing trim. Length 330 mm. The dampers work with air support (autovalve). The valve insert on the dampers offered here has been removed and the dampers fitted with a hose and pressure gauge as well as a common valve. This means that both dampers automatically have the same pressure. The hose must be replaced. A hose of the appropriate length or two valves for the dampers can be supplied on request. Rarely found for BMW!