Radium Engineering 13+ Ford Focus ST/ 16+ Focus RS Coolant Tank Kit

The Radium Engineering coolant expansion tank is CNC machined from aluminum and consists of two halves that are bolted together.

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 system.

The kits include all parts necessary for installation. No permanent vehicle modifications are required.

Included
-Billet Aluminum Coolant Tank
-Aluminum Mounting Bracket
-Aluminum Adapter Fittings
-Heater Hose, 5/16" and 3/4"
-Overflow Hose, 7/32"
-Stainless Steel Hardware
*PRESSURE CAP SOLD SEPARATELY*

Pressure Cap
The optional Radium Engineering pressure cap (sold separately) is manufactured from stainless steel with a race proven high pressure valve. The 21.8psi relief provides a boiling point increase permitting improved cooling efficiency. This is necessary when tracking the vehicle in extreme conditions. The OEM Ford pressure cap cannot be reused.