This cap set is specifically made for the WRX STI that used a dual cap system, Radiator cap(1.4) one way and overflow tank (1.1) 2way. Our Type 1 caps fit most Subaru OE radiators and all CSF, Koyo, and Mishimoto aluminum radiators. A performance radiator cap that is both form and function. 1.4 bar (20 lbs) high pressure radiator caps are designed to increasing cooling system efficiency by increasing operating pressure. 1.1 bar cap (overflow tank) offer great performance over the OE stock cap. Made out of Stainless steel and finished off with our special Titanium badge. If you are not sure if this cap fits your radiator please drop us an email and we will be happy to verify fitment for you. Available in titanium color finish as pictured or Ghost/Raw non-color. For Ghost finish, in the NOTES section at check out please write “Raw, non-color finish” Free shipping in the US with code FREESHIP. International customer if your country is not listed please email us for a shipping quote. [email protected] INTERNATIONAL CUSTOMERS: please be aware that your country may also charge duties/custom taxes and courier may also charge brokerage fees of which we DO NOT know in advance and YOU would be responsible for paying upon delivery. NOTE: we declare the true and full value of the package. ***Please note that titanium and its color is a form of raw metal; we advise that you do not use any cleaner with hydrochloric acid to clean your titanium as it will remove its color. We do not warranty the damages to the coating once the product is installed, used, or washed. California Proposition 65 Warning Picture are for reference: Titanium coloring is not a paint or pigment dye so at time the colors might not be as vibrant, titanium coloring is a natural metal process. We make every effort to get it as bright and colorful as possible but please note every piece of titanium has its own characteristics. How to care for your titanium: https://www.instagram.com/s/aGlnaGxpZ2h0OjE4MTExMzQ0MTU4MTU5NTE2?story_media_id=2377351854752204127&igshid=YmMyMTA2M2Y=
