Subaru WRX Forester Impreza Billet Coolant Expansion Tank Top GD SG XTUpgrade your old rusty coolant expansion tank lid with this billet version. Direct bolt up to OEM bottom half (bolts supplied) Banjo bolts and fittings to suit OEM hoses included New cap supplied Billet cap available as an add on (blue or black) New gasket supplied Overflow fitting included The tank lid comes with banjo bolts and fittings with barbs to suit OEM hoses. Threaded inlets make it easy to customise later with AN fittings and braided hose.