Cosworth High Performance Valvetrain - High Performance Valves for Subaru Forester Sports 2.5 XT 2004-2009

Large diameter valves essential improved flow. Cosworth high performance intake valves produced from high quality stainless steel maximum durability. Exhaust valves machined from Inconel for
high temperature (2400 F) reliability. Each valve features swirl polished back improved flow dished face additional weight reduction. Cosworth high performance valves compatible with Cosworth Ultra
Race Valve Spring kits.