Please note; that for twin-turbo applications, such as the Audi S4 2.7L (B5) 97-01, this will require two valves.
Green Spring Rated -15 InHg (installed).
Cancer & Reproductive Harm
This product does not have a CARB EO #; it is not legal for sale or use in CA on pollution controlled motor vehicles. This is intended as a "Race Only" product to be used solely for competition.