GSC Super Alloy +1mm Intake Valve – FA20 BRZ/FRS (GSC2123-01)
High-Performance Intake Valve for FA20 Engines
Designed for the 2013 Subaru BRZ, Scion FR-S, and Toyota 86, the GSC Power-Division +1mm Super Alloy Intake Valve delivers enhanced airflow and extreme heat resistance. With a 30mm head and advanced metallurgy, this valve is built for high-horsepower FA20 setups pushing elevated exhaust gas temperatures—up to 2000°F.
Technical Specifications
- Part Number: GSC2123-01
- Oversized Head: +1mm (30mm)
- Stem Diameter: 5.5mm
- Overall Length: 95.15mm
Engineered for Strength, Flow, and Longevity
Each valve features a chrome-polished stem for smoother movement and reduced friction—especially when paired with GSC Manganese bronze valve guides. The under-head dish is optimized for weight savings, while swirl-polished and backcut heads improve airflow without compromising durability.
Key Features:
- Withstands EGTs up to 2000°F
- Chrome-polished stem for reduced wear
- +1mm oversized head for increased flow
- Lightweight under-head dish design
- Swirl-polished and backcut for airflow gains
Fitment Note
SPECIAL NOTE: This valve is designed for 2013 model year FA20 engines only. Please verify compatibility before ordering.
Fitment:
- 2013 Subaru BRZ (FA20 engine)
- 2013 Scion FR-S (FA20 engine)
- 2013 Toyota 86 (FA20 engine)
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