GSC +1mm Intake Valve – FA20 BRZ/FRS (GSC2124-01)
Oversized Intake Valve for High-Revving FA20 Engines
Designed for the 2013 Subaru BRZ, Scion FR-S, and Toyota 86, the GSC Power-Division +1mm Intake Valve delivers increased airflow and long-term durability. With a 36mm head and precision engineering, this valve is built for high RPM, boost pressure, and aggressive cam profiles.
Technical Specifications
- Part Number: GSC2124-01
- Oversized Head: +1mm (36mm)
- Stem Diameter: 5.5mm
- Overall Length: 103.25mm
Advanced Design for Maximum Flow and Longevity
Developed using advanced 3D modeling and simulation software, GSC’s intake valve features a stronger head profile and optimized flow characteristics. Prototype testing ensures peak performance in FA20 applications, while reduced face distortion improves sealing under extreme conditions.
Key Features:
- Swirl-polished head for smoother airflow
- Backcut design reduces weight for higher RPM and boost
- Micro-polished stem minimizes oil drag and improves motion
- Made from modified 21-4n stainless for heat resistance and longevity
- Hardened or stelite-tipped valve ends for reduced wear
- Optimized tip height for better geometry and faster lash setup
- Balanced keeper groove to reduce spring shims and maximize kit performance
- Compatible with OEM or upgraded keepers/locks (reuse not recommended for performance builds)
Fitment Note
SPECIAL NOTE: This valve is designed for 2013 model year FA20 engines only. Please confirm compatibility before ordering.
Fitment:
- 2013 Subaru BRZ (FA20 engine)
- 2013 Scion FR-S (FA20 engine)
- 2013 Toyota 86 (FA20 engine)
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