Process West Fuel Rails Subaru WRX 2002-2014 / STI 2007-2018 | PWFR01 vendor_BC Racing It is recommended that a

It is recommended that a metric M8 X 1

Improves horsepower

rotate or stretch any stainless steel hose assembly

Improved fuel economy and ring seal for more power

Process West Fuel Rails Subaru WRX 2002-2014 / STI 2007-2018 | PWFR01 vendor_BC Racing It is recommended that aThe Process West Billet Fuel Rails are a true motorsport grade fuel system upgrade, precision machined from solid billet aluminium for maximum strength, flow capacity, and reliability. Designed for high power Subaru builds, these rails eliminate the limitations of factory style fuel delivery systems and provide a robust foundation for large injector and high flow fuel setups. True Billet Construction Unlike lower quality machined extrusion