Aeroflow 11 psi Blow Off Valve Spring Suit AF64-5050 Blow Off Valve

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These replacement blow of valve springs are specificallydesigned to fit inside the Aeroflow Performance 50mm blowoff valves. Both of our Aeroflow Performance blow off valves featur e a 11psi spring from out of the box. If you wish to change this spring, weoffer either a softer 6 psi for turbo setups or a 2 psi spring designed for supercharger options. Show more