Radium Universal Check Valve Boost Reference Mount location: Front RH cylinder

Mount location: Front RH cylinder head

Application: Subaru WRX/STI V1-V2 (1994-1996)

No fuel tank modifications are required

Adjustable flow allows precise crankcase pressure tuning

S2000-specific laser-cut powder-coated mounting bracket

Radium Universal Check Valve Boost Reference Mount location: Front RH cylinderThe Radium Engineering Universal Check Valve is a 1 way valve that permits flow in one direction only. Featuring a lightweight anodised aluminium body, FKM Viton seals, stainless steel hardware, and an aerodynamically shaped internal plunger for smooth laminar flow, this check valve is suitable for a wide range of motorsport and performance applications. All female AN ports accept 37 degree flare male fittings and or ORB (O ring Boss) male fittings.