Mini cooper S PCV valve for closed circuit breathing
13H5191- PCV EMMISSION VALVE for closed circuit breathing
This very commonly used device has been very uncommon to find. We now have them! The valve is needed on most nearly all twin carb models such as MG midget, MGB and of course Cooper S models to pass emissions control tests, but a properly operating valve has no adverse effect on performance, but may improve it. The rubber diaphragm is available as 27H7758
