GSC Standard Size 36mm Intake Valve Set - Subaru EJ20 / EJ25 Turbo Air Fuel Ratio Gauges 70% increased holding capacity

70% increased holding capacity

BC's Stage 3 cams are intended for fully built Dual AVCS STI race engines and will require ECU calibrations

and spark plugs

This has become a common problem in the 2015 models

4mm and 6mm Silicone Vacuum Line

GSC Standard Size 36mm Intake Valve Set - Subaru EJ20 / EJ25 Turbo Air Fuel Ratio Gauges 70% increased holding capacityGSC set out to create the best performance, longest lasting Subaru intake valves available to the aftermarket. Using advanced 3D design and simulation programs GSC created a stronger and higher flowing valve head design. GSC flow tests prototype valve heads to specific applications, making sure they have the highest flowing valve head available on the market today. The materials used by GSC have less valve distortion at the face than any of the tested