The Power Port is Turbosmarts largest and highest flowing blow-off valve ever, resetting the flow benchmark set by our popular and highly regarded Race Port BOV. Designed to be as light as possible, to keep vehicle weight down. Its cutting edge dual-chamber design means it can be held open with the use of a solenoid to aid turbo response and control during staging to give the best possible launch.  Power Port features:  Billet 6000 series aluminium construction   Quick release v-band collar for ease of installation and removal   2.5" Inlet flows over 600 CFM   MILSPEC hard anodized valve   Positive sealing valve seat   Twin 1/8"NPT port lower chamber for advanced control strategies   -4 AN Upper port   Collar secured cap for quick spring changes   4inHg to 20inHg activation range   3 user configurable corrosion resistant springs   Valve position sensor option   Predrilled collar for lockwire provision   Designed, manufactured and validated in-house at Turbosm