Turbosmart PowerPort Series Blow Off Valves are built for the most powerful turbocharged drag racing engines, delivering unmatched performance and reliability. With an impressive 2.5-inch inlet and advanced engineering, the PowerPort Series offers the highest flow rates in Turbosmart's lineup, making it perfect for extreme boost and horsepower applications. These valves feature advanced staging and optional position sensors for precise boost control and tuning. Whether you're racing on the strip or building a high-powered track monster, Turbosmart PowerPort Blow Off Valves ensure optimal turbo performance and durability.