GReddy BOV Type R 47mm Universal Allows Tial BOV to be

Allows Tial BOV to be mounted to HKS style flange

Mazdaspeed externally wastegated turbine housing for Garrett GT and GTX series turbochargers

High Pressure tight

Straight to 90 ends

GReddy BOV Type R 47mm Universal Allows Tial BOV to beGReddy 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 models give the GReddy user the option to match vehicles with mild upgrades