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GReddy Blow Off Valves are easily adjustable to eliminate compressor
surge and preventing premature boost leakage, while increasing boost
response between shifts. Each valve is made of durable cast and billet
aluminum frame and the valve to diaphragm ratio provides performance
that cheap piston types cannot offer. The spring stiffness adjustment
screw and the three different sizes give the GReddy user the option to
match vehicles with mild upgrades to heavily tuned engines. There are
many factors in matching a blow-off valve to an application, valve
location, turbocharger size and pressure, but as a general rule of
thumb, we recommend the Type RS for 100-400hp, Type R for 260-450hp and
the Stiff Spring Type R for over 400hp applications. Also available in
easy to install kit form for many turbocharged vehicles. |
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