GSC Power-Division +1mm Exhaust Valve 2014+ Subaru-Scion BRZ-FRS FA20 CAN Keypads and N25 cylinder heads found

and N25 cylinder heads found on the 04+ STI and other EJ257 applications

PTE's new 40mm

In order to "juice" it up

60mm 113°

GSC Power-Division +1mm Exhaust Valve 2014+ Subaru-Scion BRZ-FRS FA20 CAN Keypads and N25 cylinder heads foundStem Diameter (mm) 5. 5mm Overall Length (mm) 97. 60mm Head Diameter (mm) 30. 00mm When 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 software, 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