Radium Coolant Expansion Tank Kit, Honda Civic Type R (FK8 / FL5) 2003 ✔ CNC machined polished 6061-T6

✔ CNC machined polished 6061-T6 billet aluminium — precision fit

Verify your valve cover code before purchasing — not all K-Series valve covers are compatible

2-step oil separation baffling for maximum efficiency

They are closed-loop designs — they do not vent to atmosphere (VTA)

Solara — 2002-2008

Radium Coolant Expansion Tank Kit, Honda Civic Type R (FK8 / FL5) 2003 ✔ CNC machined polished 6061-T6The Radium Engineering 20 0827 Coolant Expansion Tank Kit is a direct OEM replacement coolant tank for the Honda Civic Type R (FK8 and FL5). CNC machined from 2 piece billet aluminium and anodised for long term durability, this tank eliminates the failure prone OEM plastic unit a known weak point on performance and track driven Type R builds. Aluminium's superior thermal conductivity improves heat transfer compared to the factory plastic tank, while