Cosworth High Pressure Radiator caps are engineered to increase the boiling point in your vehicles cooling system providing improved cooling efficiency. Each cap is manufactured from heavy gauge stainless steel with a race proven high pressure valve. The Cosworth High Pressure Radiator Cap is an essential part of an upgraded cooling system and will help to safely maximize engine performance by controlling the engine temperature at an optimum level. Available in 3 pressure ratings.
Application: Most Subaru, Nissan, Mitsubishi Lancer Evolution vehicles and early Honda (EG/DC) as well as pre 1995 Toyota applications.
This cap will not fit the BRZ/FR-S twins.
Vehicles listed in the application tab still may not fit this product. Please do your own research.