JDC Titanium Coolant Overflow Reservoir Cap (Multiple Subaru Applications)

JDC Titanium Coolant Overflow Reservoir Cap The JDC Titanium Coolant Overflow Reservoir Cap is professionally CNC machined from a single piece of 6AL-4V Grade 5 Titanium. This cap is a direct replacement for many Subaru applications listed below.  Please read the installation instructions below before purchasing! Confirmed fitments: All FRS/BRZ/86 Models 15-20 Subaru Impreza WRX/STi 21+ Subaru Impreza WRX May also fit other models, but please verify before purchasing Features: CNC machined from a solid piece of 6AL-4V Grade 5 Titanium Hand polished for a vibrant finish Super strong and will never rust Replaces your yellow factory plastic cap Available in multiple anodized colors Installation: Please read before purchasing! The factory caps are made from flexible plastic which allows them to flex around the reservoir lip when installing. The titanium caps don't flex like plastic and will require you to lightly sand around the top lip of the reservoir cap in order for the titanium