GSC Power Division Intake Valve Set for 2014+ BRZ/FRS FA20 +1mm 36mm 21-4N St...

GSC Power Division Intake Valve Set for 2014+ BRZ/FRS FA20 — +1mm (36mm), 21-4N Stainless (Set of 8) Upgrade airflow, durability, and valve response with this precision-engineered intake valve set from GSC Power Division. Designed for 2014 and newer Subaru BRZ and Scion FR-S models with the FA20 engine, these +1mm (36mm) intake valves deliver improved volumetric efficiency and reliable performance under high RPM and track use. Fitment: 2014+ Subaru BRZ / Scion FR-S (FA20) Size: +1mm over stock — 36mm head diameter Material: 21-4N stainless alloy for excellent strength, heat resistance, and wear life Quantity: Set of 8 intake valves (complete for one engine) GSC Power Division valves are finished to tight tolerances for consistent sealing and valve lift characteristics. The 21-4N alloy resists high-temperature creep and maintains geometry under aggressive boost or high-RPM operation, making these valves ideal for modified FA20 builds and performance enthusiasts looking for reliable, long-lasting flow improvements. Key benefits: improved airflow and mid-to-high RPM power, durable construction for track or street use, precision manufacturing for dependable valve seating and longevity. Install with recommended valve springs, retainers, and professional machining/installation for best results. Optimize your FA20's breathing with GSC Power Division intake valves engineered for performance and reliability.