GSC Power Division - FA20F Engine Valve - 15+ Subaru WRX subaru-impreza-1999 NOTE: The unit will work

NOTE: The unit will work with FX725 or FX850 WRX STI Push-style clutch setups

turbocharger

(by more than 10%

Thick Disc: The ''thick'' discs have a better heat capacity and therefore better durability in demanding applications

Each 90-degree coupler is slightly oversized on the turbo side so that it can be trimmed to fit with a number of different stock location turbos

GSC Power Division - FA20F Engine Valve - 15+ Subaru WRX subaru-impreza-1999 NOTE: The unit will workWhen 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