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The Street Series AOS is compatible with all fuel types
Why are radiator shrouds a good idea
we are able to increase oil capacity
should your filter element become damaged
Koyo Hyper Red Radiator Cap - FRS/BRZ/86 Red Line The Street Series AOS isCan you handle the pressure? The Koyorad hyper Radiator Cap is for intelligent tuners who demand to extract every ounce of cooling efficiency from their performance machines. Koyorad highly recommends our 1. 3 bar Koyorad Hyper Cap (Koyo part number SK C13) for use with Koyorad All Aluminum Racing Radiators (when applicable). The Koyorad Hyper Cap is made in Japan with the highest quality components ensuring the best possible performance from your
