Radium Engineering Radiator Cap Type-A 1.1 Bar - Black | 18-0076-A11 Speed3_2007-2009 This turbo is 100% bolt-on

This turbo is 100% bolt-on and will support 450WHP without missing a beat

Part Number: HB193Z

Billet anodized aluminum highly durable

This particular unit is constructed from 100% T304 stainless steel

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

Radium Engineering Radiator Cap Type-A 1.1 Bar - Black | 18-0076-A11 Speed3_2007-2009 This turbo is 100% bolt-onType 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