Precision Works Oil Control Valve Subaru 2008-2014 WRX & 2008-2014 STi EJ25 Throttle Decreased back pressure and cooler

Decreased back pressure and cooler exhaust gas temperatures

9 grade quality bolts

Full titanium construction

Adjustable exhaust tips

Precision CNC-machined

Precision Works Oil Control Valve Subaru 2008-2014 WRX & 2008-2014 STi EJ25 Throttle Decreased back pressure and coolerEngineered and machined in house at PLM using our latest Haas 5 axis CNC machines, this High Performance Oil Control Valve is designed to solve one of the biggest weaknesses of the Subaru boxer platformoil surge in the cylinder heads under hard cornering. When lateral G forces push oil into the valve cover ports, traditional PCV, A O separator, and catch can systems can quickly become overwhelmed. This leads to falling oil levels, increased risk of