Radium Engineering Coolant Tank Kit for 2013+ Ford Focus ST / 16+ Focus RS

This kit is for the 2013+ Ford Focus ST and Ford Focus RS. It is designed to replace the plastic coolant tank found at the front right of the engine bay. It maintains the same function as the OEM coolant tank while providing an additional 160mL of fluid volume.The internal design features two chambers that are NOT isolated from each other. There are cross-over passages at the top and bottom. The Radium Engineering coolant header tank also has an internal swirl feature, which is to help aid in deaerating the systemThe kits include all parts necessary for installation. No permanent vehicle modifications are required.