Radium Engineering Radiator Cap Type-A Much Performance But this 4" version is

But this 4" version is for those who seek for a more aggressive styling

ensuring superior product quality and craftsmanship

3" Aluminum MAF housing (Stock MAF option only)

9 BAR) with +/- 2% accuracy

Stock replacement design

Radium Engineering Radiator Cap Type-A Much Performance But this 4" version isThe radiator cap is an essential part of an upgraded cooling system. Radium caps are engineered to safely improve cooling efficiency by managing the boiling temperature. A higher radiator pressure effectively raises the coolant boiling point, providing an extra safety margin and preventing air pocket cavitation at the water pump. NOTE: Traditionally, "radiator" caps are mounted to the radiator but can also be found on coolant expansion tanks. Each OEM