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in addition to the bead seal around the bore that completely seals the multi layers of the gasket from the combustion pressures in the engine
All products can still be purchased
-R33/34 OEM position
Vehicle speed
Runs on PC Link software for G4X
BOV ProPort BOV with Sensor Cap Black plug n play ecu in addition to the beadProPort by Turbosmart is an all new 54mm (2. 13in) Blow off Valve with a tiny footprint and massive flow. The ProPort flows 420 cfm, enough for 3500 HP, and is in a league of its own, standing 30mm (1. 2in) lower than PowerPort while flowing over 25% more than the Market leading 50mm Raceport. Features include our unique locking collar design, new unique vent profile, sensor cap option and spring options for all turbocharged and supercharged
