4mm Bulkhead Engine Bay To In Car Hose Connector.
These high quality stainless steel bulkhead hose connections are great for neatly creating a secure boost connection going from the engine bay to inside the car when fitting boost gauges or electronic boost controllers etc. These specialist fittings eliminate the risk of split/trapped hoses when routing hoses through holes etc, they also allow a much more direct route resulting in shorter hoses required and better boost readings.
To fit hose I/D: 3-4mm
Material: Stainless steel
Type: Straight