Type-A cap style common applications:
2015-2021 Subaru STI
2015-2021 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.
Specs:
- 1.5 BAR
- 21.8 psi
- Steel cap with electroplated black finish
- Premium silicone sealing elements for long lasting durability
- Designed for mini size (32mm ID) radiator necks only
This item is non application specific. Please verify compatibility for your application prior to purchasing.
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