GSC Subaru EJ Series EJ205-EJ207-EJ257 Chrome Polished Exhaust Valve - 32mm Head (STD) - Set of 8 FA Spring Kits 85 ft/lbs on outer four

85 ft/lbs on outer four with ARP lube

We think so

L GRADE : L/RHD WAGON 1990

New OEM STI black Nitrited 2017+ crankshaft

Dual coil output channels

GSC Subaru EJ Series EJ205-EJ207-EJ257 Chrome Polished Exhaust Valve - 32mm Head (STD) - Set of 8 FA Spring Kits 85 ft/lbs on outer fourStem Diameter (mm) 6. 0mm Overall Length (mm) 104. 37mm Head Diameter (mm) 32mm When creating our new valve line we set out to create the best performance, longest lasting valves available to the aftermarket. Using advanced 3D design and simulation software, we have created a stronger and higher flowing valve head design. We flow test prototype valve heads in the specific applications to make sure we have the highest flowing valve head available on