Radium Coolant Expansion Tank Kit Bulkhead Fittings which is nearly 25% larger

which is nearly 25% larger than stock

Certain Volkswagen/Audi vehicles will require specific OBDII cable here

This motor is physically a bolt-in for all WRX and STi models (WRXs will require ECU tuning

High temp NBR one way valves

Radium Coolant Expansion Tank Kit Bulkhead Fittings which is nearly 25% largerDescription Click here to download the installation instructions (PDF) These kits are for the Ford Mustang GT, EcoBoost, V6, Shelby GT350, and Shelby GT500. It is designed to replace the plastic coolant tank found at the front of the engine bay. The Radium Engineering coolant expansion tank is CNC machined from aluminum and consists of two halves that are bolted together. The low profile design allows extra room in the engine bay for aftermarket