GSC P-D 32mm Head (STD) Chrome Polished Exhaust Valve - Fits Subaru EJ205/EJ207/EJ257 subaru-brz-2015 providing a significant improvement in

providing a significant improvement in air flow and up to a 25 WHP gain over the stock intake

5-Ply High-Grade Silicone Couplers - Smooth interior to maximize airflow and minimize restriction

These add additional stability and response by reducing deflection caused by the OEM rubber bushings in the factory trailing arms

1989 Chevrolet Beretta GT

powder-coated wrinkle black

GSC P-D 32mm Head (STD) Chrome Polished Exhaust Valve - Fits Subaru EJ205/EJ207/EJ257 subaru-brz-2015 providing a significant improvement inWhen creating our new valve line we set out to create the best performance longest lasting valves available to the aftermarket. Using advanced 3D design and simulation programs we have created a stronger and higher flowing valve head design. We flow test prototype valve heads in the specific applications to make sure we have the highest flowing valve head available on the market today. With the materials used we have less valve distortion at the face