Description
Fitment Information:
2004-2021 Subaru STI
2002-2024 Subaru WRX
The 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. This radiator cap has a 15.7lb pressure rating.
This is for a genuine subaru oem part.
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