Radium Engineering Radiator Cap Type-A 1.1 Bar - Black | 18-0076-A11 Speed3_2007-2009 K&N intakes are designed to

K&N intakes are designed to dramatically reduce intake restriction allowing more air flow to your engine

(1) Right Carbon Endplate

Part #: 191004

Radium EVO X Hanger

Billet anodized aluminum highly durable

Radium Engineering Radiator Cap Type-A 1.1 Bar - Black | 18-0076-A11 Speed3_2007-2009 K&N intakes are designed toType 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. 1 BAR 16. 0 psi Steel cap with