GSC Power Division 36mm Standard Intake Valves (Set of 8) Subaru 2002-2014 WRX / 2004-2020 STI

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SKU gsc2012-8

When GSC set out to create the best performing and longest lasting valves available, they knew they would need to turn to the cutting edge of design technology. All GSC Power-Division performance valves are created with advance 3D design and simulation programs, resulting in a stronger and higher flowing valve head concept. All prototype valves are precision tested against the competition to ensure the highest performing design available. Higher quality materials mean less head distortion for better sealing under extreme conditions and more consistent performance through the life of the valve.


  • Swirl polished heads
  • Back cut for added weight reduction at high rpms
  • Micropolished valve stems for less drag and smoother motion
  • Fully nitrated for a reduction in carbon buildup
  • 21-4n stainless intake valve material
  • 23-8n stainless exhaust valve material
  • Compatible with OEM keepers/locks

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