GSC Power-Division 2015+ WRX FA20DIT STD Exhaust Valve Set of 8 Turbo Inlets 5L nitride treated STI crankshaft

5L nitride treated STI crankshaft

*The fastest and most reliable way to tell

Exhaust: 0

the difference in slope in the non linear range results in a flow mismatch that is magnified as the pulse-width decreases

GSC Power-Division 2015+ WRX FA20DIT STD Exhaust Valve Set of 8 Turbo Inlets 5L nitride treated STI crankshaftStem Diameter (mm) 5. 5mm Overall Length (mm) 97. 90mm Head Diameter (mm) 29. 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