GSC Power Division - SINGLE Chrome Polished Engine Valve 30mm Head - 15+ Subaru WRX subaru-wrx-2005 Rear Coil Spring Rate: 5

Rear Coil Spring Rate: 5

The base of the product starts out as a 6061 sheet of Aluminum

Introducing our Subaru Radiator Shroud w/ Integrated Tool Tray

Race/Track cars should replace yearly and/or each engine teardown

GSC Power Division - SINGLE Chrome Polished Engine Valve 30mm Head - 15+ Subaru WRX subaru-wrx-2005 Rear Coil Spring Rate: 5When creating the 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 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