Moroso Coolant Expansion Tank Subaru WRX / STI 2008-2021 | 63871 vendor_Velossa Tech simplifying fitment in standard bore

simplifying fitment in standard bore and stroker applications

Paint Matched Crystal White Pearl Finish

and viton seals

Throttle Body Adapter

Whether you're tracking your Skyline or elevating its street performance

Moroso Coolant Expansion Tank Subaru WRX / STI 2008-2021 | 63871 vendor_Velossa Tech simplifying fitment in standard boreThe factory plastic expansion tank on a WRX or STI doesn't hold up forever repeated heat cycles turn it yellow and brittle, and eventually it cracks. This Moroso tank is a direct bolt in replacement, machined from fabricated aluminum instead of plastic, built to handle the heat that kills the factory unit without discoloring or failing. It bolts in using the factory mounting points and includes a provision for the factory siphon hose, so there's no