GSC Exhaust Valves (DSM/Evo 1-9) GSC Power-Division set out to create the best performance, longest lasting valves available to the aftermarket. Using advanced 3D design and simulation software, they have created a stronger and... MSRP: Was: Now: $20.98 - $169.98 Choose Options
GSC Intake Valves (DSM/Evo 1-9) GSC Power-Division intake valves for the 4G63 Evo and DSM. Intake valves are sold as a set of 8 or individually as needed. Available in the standard 34mm size or +1mm oversized. Valve stem diameter... MSRP: Was: Now: $20.98 - $170.98 Choose Options
